A hypothetical mechanism for heredity proposed by Charles Darwin in which it holds that gemmules are shed... Read More
noun, plural: gemmules
(botany) A small gemma; a bud produced by gemmation.
(zoology) A mass of cell capable of... Read More
Reviewed by: Mary Anne Clark, PhD
In biology, heredity refers to the passing of genetic... Read More
noun, plural: atavisms
(1) A reversion, or an individual reverting, to an earlier type; an evolutionary... Read More