Kainogenesis
nounverified·updated May 18, 2026
the introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species, such as the addition of the placenta in mammalian evolution
Framework senses
- §1
- the introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species, such as the addition of the placenta in mammalian evolution