1. At this point esch chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.

2. The cytoplasmic apparatus thus effects chromosome division.

3. It is carried on the X chromosome.

4. A visible example of X chromosome inactivation is the tortoiseshell cat.

5. The grey regions indicate either chromosome breaks or missing data.

6. Every cell contains two chromosome 9s, and two versions of location 7230 along chromosome 9.

7. Deletions of chromosome 17p are found in 75% of colorectal cancers and are highly correlated with mutation of the remaining p53 gene.

8. Partial chromosome 9 and chromosome 1 linkage maps showing the location of Oct-11a and Oct-11b in relation to linked genes are shown.

9. The gene is found on the X chromosome, males being more severely affected than females.

10. Oct-11a is located in a region of mouse chromosome 9 homologous with the long arm of human chromosome 11.

11. And each chromosome carries some fifty thousand genes, which are the structures that carry inheritance information from parent to offspring.

12. Consequently, a Cain gene on an X chromosome can safety kill the Y chromosome and not risk suicide.

13. Lane 1 corresponds to a cosmid from human chromosome 6 and serves as a control.

14. In heterozygous females, pre-B cells whose active X chromosome expresses the mutant gene would not terminally differentiate and proliferate.

15. Research that will identify a funny gene or chromosome or whatever.

16. Two large studies have shown genetic lesions, including chromosome 17p, 18q, and 1p deletion, to be prognostic indicators.

17. When they form bivalents, however, each chromosome is in close physical contact with its homologue.

18. By estimating the expected number of each chromosome and comparing it with the observed number, any significant departures can be recorded.

19. The nuclear membrane will not be re-formed until chromosome division is complete.

20. The scientists want to locate the position of the gene on a chromosome.

21. In man, for instance, the genes that control gender are on the Y chromosome.

22. The handicap is caused by a chromosomal abnormality which basically means that there is an additional chromosome in the cells.

23. Plasmid: circular DNA molecules able to replicate independently of the chromosome in microorganisms.

24. This suggests that the human homologue of the Oct-11a locus will reside on chromosome 11 in the region of q23.

25. They also always deliver their package of genes into the host chromosome, integrating more or less at random.

25. is a sentence dictionary, on which you can find excellent sentences for a large number of words.

26. However, the genes brought in by a plasmid do not usually become a permanent part of the bacterium's own chromosome.

27. The fetus becomes male only when it both has a Y chromosome and is acted upon by androgenic hormones.

28. Around Roscoff, Staiger found shell thicknesS to be associated with chromosome number.

29. However, over-exposure to the arrestant is detrimental in that male and female complements lose their morphological identity due to chromosome contraction.

30. Hybridisation of the cosmid library representing a 4 fold coverage of human chromosome 21 with the exon-enriched probe.

1. The scientists want to locate the position of the gene on a chromosome.

2. At this point esch chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.

31. The pattern arises, we now know, because the gene is carried on the X chromosome.

32. The corresponding chromosome in the other parent was found to be defective.

33. The hunt for the new gene has been narrowed to a region on chromosome 12.

34. A less frequent cause is one in which part of the chromosome is attached to another.

35. Both incompatibility and parthenogenesis microorganisms alter host chromosome behaviour during early mitotic divisions of the egg.

36. There are approximately 10 9 base pairs in the human chromosome set.

37. Each chromosome pairs up with its homologue; each paternally derived chromosome pairs with its corresponding maternally derived chromosome.

38. Further work is under way to map the human gene in detail but preliminary results support the localisation to human chromosome 11.

39. Females may be variably affected by virtue of random inactivation of the X chromosome.

40. Studies on the karyotype and C-band chromosome of ramie.

41. A locus is the'location'of a gene along a chromosome.

42. This presents a sex chromosome problem.

43. A report on chromosome numbers of Chinese Zingiberaceae (2).

44. Several copies of specific chromosome are present.

45. Studies on cultivated barley (Hordeum vulgare) chromosome banding pattern.

46. Analysis concerning the types of Trigonella chromosome groups.

47. Male have XY chromosome. Female have XX chromosome.

48. A report on the chromosome numbers of Chinese Umbelliferae.

49. Chromosomal disorder: Syndrome caused by chromosome abnormality.

50. Chromosome numbers and morphology in Podocarpus nagi.

51. Preliminary report of chromosome number of Chinese Zingiberaceae.

52. Chromosome breaks may also lead to inversions and translocations.

53. A report on chromosome numbers of Chinese Umbelliferae.

54. A nucleus can have only one Y - chromosome.

55. U.S. biologist who formulated the chromosome theory of heredity.

55. try its best to gather and create good sentences.

56. Chromosome numbers which deviate from the normal number of chromosomes for a species are said to be heteroploid.

57. In a sperm cell, a specialized set of tiny support proteins (protamines) pack the DNA down to about one-sixth the volume of a mitotic chromosome.

58. Regulator gene A gene whose product can promotor or prevent the TRANSCRIPTION of structural genes, which may or may not be adjacent to other regulator genes, and may even be on another chromosome.

59. The failure of any process in meiosis can result in chromosome mal - disjunction.

60. Methods: To analyze the chromosome karyotypes of circular lymphocytes in 61 patients with primary amenia.

61. Known as the centromere, the middle space between the two arms of the Y chromosome is key to its health.

62. At the same time, coumarininduces the abnormal mitotic of root tip cell, including chromosome bridge, fragment, binucleate cell, lagging chromosome and so on.

63. The chromosome aberrations of cows with leucosis presented a phasic nature at the two stages of persistent lymphocytosis and lymphosarcoma.

64. Phage chromosome is inserted into the continuity of the bacterial chromosome.

65. Centromere --- The primary constriction on the chromosome, a region at which the sister chromatids are held together and at which the kinetochore is formed.

66. Chromosome image analysis is one of the essential tasks in cytogenetics, especially in genetic syndrome diagnosis.

67. Down syndrome (trisomy 21) is a disorder caused by the presence of an extra 21st chromosome.

68. Most mammals hae just two kinds of photopigment in their retinas : one is encoded in the X chromosome and the other in an autosomal (non-sex) chromosome.

69. Sodium arsenite was also shown to produce increased sister chromatid exchange in CEO cells and increased chromosome breakage in human lymphocytes.

70. The scanning electron microscopical study on higher order structure of human chromosome was made with modified surface microspreading technique.

71. The 23rd chromosome in all oocytes is always an X chromosome.

72. This paper reports the chromosome number and karyotypes of 10 species of the genus Lactuca and its allied genera, of which 6 are reported for the first time.

73. Conclusion Chromosome abnormality is one of the causes of spontaneous abortions.

74. The Y chromosome short tandem repeat loci plays an important role in reconstructing the patrilineal history for their special genetic characteristics.

75. Chromosome numbers of six species in the genus Amygdalus from China.

76. Conclusions The habitual abortion is correlative with the higher expression rate of chromosome fragile sites, but seems independent of the distribution of Fras.

77. Conclusion: The mental retardation is correlative with the chromosome aberration and the fragile site expression rate.

78. After a meiotic reduction in chromosome number sporozoites are formed within the oocyst.

79. The Y chromosome is to yield other intriguing tales as well.

80. Chromosome studies of subgenus Gymnaconitum endemic to China and Beesia (Ranunculaceae).

81. Results The chromosomal location of the greenish yellow signals could be directly identified on the R banded chromosome background.

82. Objective: To analyze the numerical aberration of chromosome X, Y and 18 in the spermatozoa of asthenospermia patients by triple-color fluorescence in situ hybridization.

83. High concentration of sucrose is favourable for the male nuclear development. There were 8 chromosome in the calli cells, proving to be monoploid.

84. Objective:To explore the chromosome localization of HP8 gene which belongs to the members ofC/EBP family.

85. Several powdery mildew resistance genes derived from wild emmer accessions have been mapped on the short and long arms of chromosome 2B by SSR marker.

85. try its best to collect and create good sentences.

86. The chromosome doubling of haploid and double haploid in cucumber was studied.

87. Conclusion: Chromosome abnormality is a major genetic factor that causes abortion, amenia and dysgenitalis, and should be highly emphasized by clinicians.

88. The C-band had high repeat in the same chromosome of individual between cells.

89. Objective: To explore a method of efficient direct chromosome analysis and chorionic villus cultivation in first trimester pregnancy.

90. The AZFc region on human Y chromosome has been found to be functionally important in spermatogenesis.

91. Objective: Improve and optimize the method of Chromosome of zooblast.

92. Method:Chromosome fragile sites and breakpoint expression by reducing folacin in TC199 medium were determined in 80 autistic children and 80 normal children.

93. Conclusion G - banding and FISH are effective ways to analyse the chromosome translocations.

94. ASIP is also located on chromosome 20, but the authors observe that ASIP "has not been independently associated with nevi or melanoma risk."

95. Epithelial cell reticulum expansion, reduced microvilli, chromosome concentration, increased lysosome.

96. The normal rates of meiotic spindle and chromosome were 82 % and 86 % respectively.

97. These chromosome aberrations are all stable, compatible with cell viability.

98. Pachytene FISH results showed that most of chromosome ends possess the telomere tandem repeats, but the signals on different chromosomes were not the same in intensity.

99. Dr Venter described his achievement as the creation of life "totally derived from a synthetic chromosome, made with four bottles of chemicals on a chemical synthesiser".

100. In this study, we compared the Y chromosome diversity of the Peninsular Daic to those of Chinese Daic and the Mon-Khmer populations to reveal the origin of the Peninsular Daic populations.

101. Genetics used of a chromosome that is not paired or united with its homologous chromosome during synapsis .

102. Objective: Using fluorescent in situ hybridization(FISH) to analyze the ratios of different karyotypes in sex chromosome mosaicism.

103. Absence of one chromosome of a pair is called monosomy for that chromosome.

104. Heterogametic sex The sex with dissimilar sex chromosomes, one (in mammals the Y chromosome)being shorter than the other(the X chromosome).

105. The comparison of the two method declared that the morphea of the chromosome using cell low-osmosis was better than that of using embryo low-osmosis method.

106. Drought-resistance of the different mulberry varieties had close connectiedwith region of the mulberry tree, strain, and multiples of chromosome.

107. Various PCR-based methods are available for chromosome walking from a known sequence to an unknown region.

108. Results : The configurations of meiotic spindle chromosome can be observed clearly by LSCM.

109. Conclusion: The mutations of sex chromosome and SRY gene is associated with primary menopause.

110. This method is applicable to the mulberry tree karyotype analysis as well as to the mulberry tree chromosome banding pattern study.

111. Chromosome analysis with the microamount of full blood sample cultivation. PCR-RFLP was used to examine the genotype of two XPD loci (751 and 312).

112. Study on the origin of Sequoia sempervirens and the significance of chromosome data in it.

113. Each chromosome in pachytene actually have been composed of two chromatids.

114. The analysis of chromosome behavior in miosis and frequency of bivalent chiasma at diakinesis of pollen mother cells of F1 hybrid plants, and the affinity extent were reported in this paper.

115. She says without telomeres,(http:///chromosome.html) the chromosome and the gene that genes it holds would come apart.

116. Endomitosis, karyomixis, multipolar mitosis and chromosome break of the somatic cells were easily induced by culturing in vitro and by pollen haploidy.

117. She says without telomeres the chromosome and gene the genes it holds would come apart.

118. Examples are cytoplasmic streaming, chromosome movement during nuclear division, and growth itself.

119. Conclusion Micro-deletion in AZF gene of Y chromosome is one of the major risks for oligospermatism and azoospermatism.

120. Objective To investigate the value of spinal marrow chromosome karyotyping in the diagnosis. treatment and prognosis of malignant hemoblastosis.

121. Chromosome map ( genetic map ) A diagram showing the order of genes along a chromosome.

122. Chromosome preparation and karyological analysis of Pleurobrachia globasa , a kind of Ctenophore, inhabiting in Xiamen Waters were studied and reported.

123. A preliminary report on the chromosome of the genus Caragana in Nei Mongol.

124. Aneuploid describes chromosome numbers which are not multiples of the haploid number ( n ).

125. Methods Mouse testis primary spermatocyte chromosome aberration assay, sperm morphologic analyses and teratogenic test.

126. To make prenatal diagnosis of chromosome aneuploidies by FISH analysis of chromosome - specific probes in interphase amniocytes.

127. Euploidy The normal state in which an organism's chromosome number is an exact multiple of the haploid number characteristic of the species.

128. Objective : To investigate, the relationship between chromosome, heteromorphism and early reproduction inability.

129. Objective To evaluate the diagnostic value of fluorescence in situ hybridization (FISH) in sex chromosome abnormality.

130. The present study was aimed at verifying the influence of chromosome 9 inversion on human spermatogenesis.

131. Methods:Chromosome of 579 male patients with infertility tested by cytogenesis method.

132. Results Fourty - four ( 10.6 % ) of subjects were found to have chromosome abnormality.

133. Preliminary studies of chromosome band patterns and karyotypes of cucurbitaceous vegetables.

134. By analyzing altofrequent chromosome mutations, CGH can provide locating information for screening susceptibility genes of cutaneous tumors.

135. But many primates, including humans, have a third photopigment, encoded by a second gene on the X chromosome.

136. In plants this is sometimes overcome by the doubling of the chromosome number , giving an allopolyploid.

137. Objective Using dual color fluorescent in situ hybridization (FISH) to detect sex chromosome mosaicism in human embryos and perform preimplantation gender diagnosis.

138. Gloria Steinem, the founder of Ms magazine, says that "Palin shares nothing but a chromosome with Clinton".

139. The manuscript describes the initial sequencing and analysis of rice chromosome 4.

140. The X chromosome is therefore the logical place to turn for more information.

141. With the thymidium synchronous technique, the effects of chromosome contraction inhibitors, ethidium bromide and actinomycin D, on human high resolution chromosome G-banding were analysed.

142. Other types, known as lysogenic or temperate, integrate their nucleic acid into the host 's chromosome to be replicated during cell division.

143. Analysis of respective chromosome numbers and karyotypes of 20 varieties of genus Nelumbo.

144. Conclusions Sex chromosome abnormality is one of the main factors of primary amenorrhea.

145. Objective To analyze the chromosome abnormalities in the patients with primary and secondary amenorrhea in the infertility clinic, and provide the guidance for their reproduction.

146. The EB ( Essential Balm ) method was adopted to study, the G - bands and macrocoilson the maize pachytene chromosome.

147. Objective To explore the clinical and biological characteristics of 12 cases oft (8; 21) acute myeloid leukemia with sex chromosome loss.

148. Objective To explore the significance of PTEN (phosphatase and tensin homolog deleted on chromosome 10) in the development of human primary hepatocellular carcinoma (HCC).

149. The daughter cells contain half no. of chromosome of the parent cell. Therefore it is also called reduction division.

150. Conclusion In GIST there was heteroploid of chromosome 8 with more polyploidy than monoploid correlated with recurrence and metastasis.

151. This paper relates the method of extracting Chromosome medial-axis-line, calculating the length of Chromosome, calculating the centromeric index and density profile from human Chromosome images.

152. Forcron could decrease the mitotic index and lead to various types of chromosome aberration.

153. Methods: 430 cases with infaust gravidity andlabor were analyzed using blood lymphocyte chromosome G banding technique.

154. Objective : To investigate the clinical effect of Y chromosome polymorphism.

155. The formation of the multivalents may result from chromosome reciprocal translocation among the non - homologous chromosomes.

156. Objective To study the relationship between chromosome abnormality and repeated spontaneous abortion.

157. Human Epidermal Growth Factor Receptor 2 Testing in 2010: Does Chromosome 17 Centromere Copy Number Make Any Difference?

158. Thus, the NEU-induced primary chromosome breakage may not be repaired by the ligase.

159. The chromosome in situ hybridization is an important part in modern biotechnology.

160. Each chromosome consists of two chromatids held together by the centromere.

161. Y chromosome has two types of polymorphism : metacentric ( or submetacentric ) and acrocentric chromosomes.

162. OBJECTIVE To study the evolution, identification and fine seeds selection through Bidens parviflora chromosome number , karyotype and volume.

163. Centromere The region of the chromosome that contains the kinetochore, the structure that becomes attached to the nuclear spindle during mitosis and meiosis.

164. The distances are additive along the length of the chromosome.

165. Chromosome material with exhibits of such behaviour is called heterochromatin.

166. Conclusion Sex chromosome aberration is the most important cause that results in sex differential distortion.

167. The sex of birds is determined by chromosomes ZZ in the male or ZW in the female in the nature(), so the sex chromosome of spermatozoa is Z and that of ovum is Z or W.

168. The formation of unreduced gametes leads to spontaneous chromosome doubling, which has a great significance in the origin of common wheat.

169. The application of RFLP Linkage genetic maps in the graminaceous crops; . 3)Following the tracks and appraisal of the chromosome or.

170. Moreover, exogenous agents, such as ionizing radiation and some chemicals can result in chromosome translocation and tumorigenesis because of their role on induction of DNA double strand breaks.

171. Effects of 1,2,4-Trichlorobenzene on the Chromosome Abnormalities in Root Meristematic Cells of A. sativum Seedlings.

172. Chromosome numbers of some species in the family Magnoliaceae in China.

173. The Y chromosome is starting to yield other intriguing tales as well.

174. The haploid complement consisted of 11 metacentric chromosomes and 1 submetacentric chromosome.

175. Objective To explore a modificatory method for diplaying chromosome G - banding.

175. is a sentence dictionary, on which you can find nice sentences for a large number of words.

176. Reduction division --- The first meiotic division, so called because at this stage the chromosome number per cell is reduced from diploid to haploid.

177. These functions include protecting the chromosome ends, initiating the homologue alignment in meiosis, and participating the mechanism of DNA repairing, etc.

178. Objective: To investigate the characteristic and significance of chromosome chang in sexual development abnormity, primary amenorrhea and cacoethic obstetrical history.

179. It's plausible that millions of years ago a single mutation resulted in two different versions of the photopigment gene becoming located on the same X chromosome.

180. In the mid-mitotic chromosome most typical, see at this time of the split between the period of reproduction, with two of the same chromatid by the centromere (Main constriction marks) connected.

181. Gray code was adopted to encode chromosome. A method to determine the length of chromosome is present.

182. Methods Spinal marrow chromosome karyotype analysis was performed with short-term culture and R-banding technique in 63 patients with malignant hemoblastosis.

183. A preliminary report on the chromosome numbers of Sagittaria in China.

184. For many species, chromosome number is a useful taxonomic character.

185. Recently, with using of whole genome genotyping and linkage analysis, some chromosome regions have been related to human dermatoglyphic patterns.

186. The analysis results of chromomeres in pachytene indicated that chromomere contents were high in the whole chromosome group and the largest proportion was those with a relative length of 1% -3%.

187. The research methods in phylogeny of Bombus genus both at home and abroad was reviewed in the paper. The major research method included chromosome counts, protein analyzes, DNA sequencing.

188. Translocation occurs when a fragment of one chromosome becomes attached to a non - homologous chromosome.

189. The control gene(S) for chromosome segregation existed in the P genome of Agropyron, thus causing formation of functional gamete and self-fertility of the hybrids involving Agropyron.

190. Conclusion Chromosome abnormalities may be one of the important causes of abortion , stillbirth, monster and malformation.

191. The chromosome karyotypes and the chromosome variation of regenerated plants of perennial ryegrass(Lolium perenne L. )were studied.

192. Like humans, platypuses carry an X and a Y chromosome.

193. The routine staining method is based on the differences in the length of chromosome and the site of centromere to distinguish the aberration.

194. Recent studies on adhesion molecules, cytokines and their receptors, functional mutation of chromosome DNA have provided new insights into the pathogenesis of exfoliative erythroderma.

195. The mode of chromosome number of LTK- cells is 49, of which 12-16 are metacentric or submetacentric chromosomes.

196. A third copy of any other chromosome is lethal, as a person gets 1.5 times the dose of the genes on it, knocking the chemical balance out of kilter.

197. Objective To study the clonality of palmar fibromatosis by molecular genetic analysis of X chromosome inactivation pattern at a polymorphic site of human androgen receptor gene (HUMARA).

198. Microtubules cannot be both the birefringent material and the elements that cause chromosome separation.

199. Methods Flow cytometry was used to isolate the fetal erythroblast from 120 cases of maternal peripheral blood, and then PRINS was applied to detect the X, Y and 21 chromosome in single fetal cells.

200. Chromosome analysis is an important and difficult task in clinical diagnosis, mutagen dosimetry and biological research.

201. Therefore, the abscondence of Min-Yue ethnic group in history was confirmed by Y chromosome study.

202. Karyotype The physical appearance of the chromosome complement of a given species.

203. New, still unpublished work reveals that the Neandertal Y chromosome differs from the human one.

204. The results indicated that embryogenic callus was the best material for observed chromosome.

205. Chromosome count showed that the plants, containing non tetraploid cells besides amphidiploid, were chimeras.

205. is a online sentence dictionary, on which you can find good sentences for a large number of words.

206. The DNA element P4 and P5 are the female-specific sequences of Schistosoma japonicumexisting in the sex chromosome W.

207. Normal chromosome pairing between most species and N . tabacum is rare.

208. Caroline Klaver, at Erasmus Medical Centre in Rotterdam, found another strand, also on chromosome 15, linked to short sight.

209. The direct coding of the above variables into a chromosome has been tried and tested.

210. The result of micronucleus and testis chromosome assay were negative.

211. Some abnormal division had been observed at microspore mother cell meiosis stage, e. g. chromosome pairing abnormally, aberrant dyad formation and asynchronous dyad division.

212. All autosomes and sex chromosomes are measured and analysed according to relative length, arm ratio and centromere index of each chromosome including all the microchromosomes.

213. Competition between two types of gametes generated by heterotic translocation plants caused abnormal transmission of translocation chromosome in the gametes.

214. Objective:To explore the relationship between Y chromosome microdeletion and non-idiopathic infertility in male cases with dyszoospermia.

215. Conclusion: Gene have different degree loses in abnormal chromosome karyogram, result in chromosomal gene linkage not equilibrium and and emergence clinical effect.

216. Phosphatase and tensin homolog deleted on chromosome 10 (PTEN), a tumor suppressor gene, is frequently deleted, mutated or lowly expressed in various skin tumors.

217. The works mainly comprise the body cells, cell fusion, nuclear transplantation, cell uptake and the reorganization of chromosome segment.

218. Progress of method of ploidy determination and technique of chromosome doubling in cucumber were summarized.

219. Episome is an additional genetic element that can exist either as an autonomous entity or be inserted into the continuity of the chromosome of a host cell.

220. OBJECTIVE: To systematically study the evolution and fine seeds selection through Bidens bipinnata chromosome number, karyotype and volume.

221. In part two, using interphase FISH , six centromeric probes for chromosome 8, 11, 12, 17, X and Y were performed to detect the numerical abnormalities.

222. The main meiotic chromosomal aberration of PMC are multipolar division, loose pairing, inversion, tetravalent, interlocking chromosome, unequal segregation, straggling chromosome, bridge and laggards.

223. Conclusions:The long Y chromosome may be related to some clinical effects such as infaust pregnancy, gonadal dysgenesis and sex reversal syndrome.

224. The interphase nuclei was observed to be the round prochromosome type , and the prophase chromosome type was the interstitial type .

225. In order to study the general law on meiosis of Periplaneta Brunnea. Air-dried method was used to observe the chromosome of spermatogonium in different stages.

226. Results: Out of the 72 cases of azoospermia, 13(18.1%) patients with the number and structural aberration of sex chromosome were detected.

227. Female mosaicism of the X chromosome has major implications for human health and disease and is the leading cause of female protection from X-linked genetic disorders.

228. Chromosome abnormality is an important factor involved in male infertility and gonadal hypoplasia.

229. Method Polymerase chain reaction and restriction fragment length polymorphism were used to examine 40 oral malignant tumors for loss of heterozygosity at chromosome 3p.

230. In the research of secale cereale , dividual chromosome cannot be distinguished by common morphological methods.

231. Nearly three decades ago, Szostak began to collaborate with Blackburn, looking at the tips of the chromosome of a single-celled, pond-dwelling organism called Tetrahymena.

232. Bioinformatics technique was used to analyze the chromosome mapping and tissue expression of HBVDNAPTP1BP gene, and the chemical-physical property and structural feature of HBVDNAPTP1BP.

233. Such split causes the chromosome pairs to be actually quadripartite.

234. Karyotype analysis of 3 species of genus Podocarpium and chromosome numbers of 2 species of genus Desmodium.

235. These cells often have a variable chromosome number ( aneuploid ).

236. Objective To explore the relationship between chromosome anomaly and spontaneous abortion, and to provide useful information for genetic counseling and prenatal diagnosis in reproductive clinic.

237. Objective To investigate the correlation between heteroploid of chromosome 8 and FAK expression in gastrointestinal stromal tumors(GIST) and to predict the prognosis about GIST.

238. With the increase of chromosome ploidy, the size of stomatal guard cells and the chloroplastid numbers were increased, accompanied by the decrement of stomatal density.

239. C - banding confirmed increase in the heterochromatin in one chromosome 9 and inversion in the other.

240. A poisonous, pale-yellow alkaloid, C22H 25NO 6, obtained from the autumn crocus and used in plant breeding to induce chromosome doubling and in medicine to treat gout.

241. A segment of the chromosome may become lost, resulting in a deletion.

242. Each daughter cell must receive an exact copy of each and every chromosome.

243. If the imperfections of the "Y chromosome" result in death, then male offspring will not be produced.

244. A study on the chromosome numbers and isozymes of Crataegus plants in China.

245. Methods: Multiple PCR method and PAGE technology were used to detect factor ( AZF ) regions of Y chromosome.

246. Conclusion: The abnormality of chromosome is one of reasons of self-generating abortion, thus, usual chromosome examination is necessary for this kind of valetudinarians.

247. The attenuated phenotype should be owing to skewed X inactivation derivative X chromosome.

248. Chromosome banding patterns are correlated with unique patterns of histone modifications.