1. Pangenesis is itself presented as a theory of how this identity of powers arises in development.

2. Early ideas of inheritance included Hippocrates' theory of pangenesis and August Weismands germ plasm theory.

3. The then current concept of heredity through pangenesis implied a blending process.

4. By 1841, he had very probably worked out, also, his later theory of individual organism generation: pangenesis.

5. Darwin's integration of evolutionary and physiological biology had been attempted, in the 1840s, through pangenesis.

6. But is that, in fact, how Darwin arrived at pangenesis?