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Introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (as addition of the placenta in mammalian evolution)
Answer for the clue "Introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (as addition of the placenta in mammalian evolution) ", 12 letters:
caenogenesis
Word definitions for caenogenesis in dictionaries
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Kenogenesis \Ken`o*gen"e*sis\, n. [Gr. ? new + E. genesis.] (Biol.) Modified evolution, in which nonprimitive characters make their appearance in consequence of a secondary adaptation of the embryo to the peculiar conditions of its environment; -- distinguished ...
Wiktionary
Word definitions in Wiktionary
alt. (context biology English) The embryotic development of cross-species structures or characteristics. n. (context biology English) The embryotic development of cross-species structures or characteristics.
Wikipedia
Word definitions in Wikipedia
Caenogenesis (also variously spelled cainogenesis , cenogenesis , kainogenesis , kenogenesis ) is the introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species , as opposed ...
WordNet
Word definitions in WordNet
n. introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (as addition of the placenta in mammalian evolution) [syn: cenogenesis , kenogenesis , cainogenesis , kainogenesis ...