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单词 Parthenogenesis
例句
1. To trigger parthenogenesis, then, Loeb had to simulate fertilisation.
2. This suggests a monophyletic origin for Trichogramma parthenogenesis bacteria.
3. Anyway, Loeb found that, with such simulation, parthenogenesis proceeded.
4. In mammals, however, parthenogenesis seems to be a non-starter.
5. The nucleotide sequence data of parthenogenesis bacteria will appear in Genbank under the following accession numbers.
6. Parthenogenesis, or something, though neither of us was exactly virginal.
7. As Pateman notes, parthenogenesis would seem to be the only possibility.
8. FIG. 2 A most parsimonious phylogenetic tree of parthenogenesis and cytoplasmic incompatibility microorganisms based on 16S rDNA sequences.
9. Parthenogenesis is rare among vertebrates but by no means unknown.
10. Both incompatibility and parthenogenesis microorganisms alter host chromosome behaviour during early mitotic divisions of the egg.
11. Individual species has a certain ability to parthenogenesis.
12. Parthenogenesis in which the egg is activated by sperm, but without fusion of the egg and sperm nuclei.
13. That could explain why parthenogenesis reproduction has emerged in so many species.
14. Parthenogenesis is so far known to occur in about 70 reptile species.
15. Meloidogyne javanica, reproducing by mitotic parthenogenesis , is an economically important pathogen of a wide range of crops.
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16. Bacteria are not present in the eggs of bisexual strains or those with genetically based parthenogenesis.
17. Based on their high sequence similarity, it is reasonable also to place parthenogenesis bacteria within this genus.
18. This form of reproduction involving only one animal is called parthenogenesis. It is also known as asexual reproduction.
19. Potato haploid induction has significant meaning in potato breeding, It includes parthenogenesis and anther culture methods.
20. This is the second time scientists have used DNA testing to verify shark parthenogenesis —the process that allows females of some species to produce offspring without sperm.
21. In nature, clones are derived from a single parental organism or cell by mitotic cell division, asexual reproduction, or parthenogenesis.
22. Another team generated similar cells using human egg cells only, a process called parthenogenesis.
23. But are cloned cells — or those generated through parthenogenesis — normal?
24. The term also describes the development of an unfertilized female gamete into the sporophyte, a phenomenon described as PARTHENOGENESIS. See apospory; apomixis.
25. By a last-resort evolutionary adaptation, female sharks, it turns out, are capable of parthenogenesis, or virgin births.
26. The most amazing (and badass) characteristic of the komodo dragon is that the female can lay eggs that hatch without being fertilized by a male (this is called parthenogenesis).
27. This paper reported the natural parasitical instance and the biological characteristic of the adult, the lay eggs habit and the parthenogenesis, established a foundation for the biological control.
28. Asexual reproduction, as by budding , cell division, or parthenogenesis.
29. Mitalipov said separate experiments obtained monkey stem cells from a different process called parthenogenesis, in which an egg grows into an early embryo without any genetic contribution from a male.
30. The term also describes the development of an unfertilized female gamete into the sporophyte , a phenomenon described as PARTHENOGENESIS.
31. The group is generally hermaphroditic , although males are rare and female parthenogenesis is common in freshwater species.
32. Parthenogenesis – the production of offspring from an unfertilized egg – is a frequent contender, but parthenogenesis is unheard of in mammals.
33. Whether parthenogenesis is an evolutionary aberration or viable strategy remains debated.
34. Rotifers are unusual in that they often reproduce by parthenogenesis (some species, indeed, can reproduce only in this way).
35. The parthenogenesis population of Haemaphysalis longicornis Gansu strain in northern China was observed under laboratory conditions. Three hosts were needed in one generation.
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