Definition of caenogenesis

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Definition of caenogenesis

  • 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) (noun)

    Synonyms

    1. cainogenesis
    2. cenogenesis
    3. kainogenesis
    4. kenogenesis

See definition of caenogenesis in Merriam Webster