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kenogenesis

kenogenesis

9.9
The development of new body parts or traits in an embryo that ancestors do not have
  • noun
  • /ˌkɛnəˈdʒɛnɪsɪs/
  • Specialized
translation icon : queno génesis
  • The evolution of the placenta in mammals is considered a classic case of kenogenesis.

Examples

  • Some scientists study kenogenesis to understand how new traits arise during development.

  • Unlike palingenesis, kenogenesis involves the appearance of novel structures not seen in evolutionary ancestors.

  • Kenogenesis is fascinating.

  • The concept of kenogenesis is crucial in understanding evolutionary biology.

  • Researchers explore kenogenesis to investigate how certain features develop in embryos over time.

  • The study of kenogenesis has revealed insights into how species adapt by forming new structures during their embryonic stages.

  • In evolutionary biology, kenogenesis refers to the emergence of traits that were not present in the lineage's ancestors.

Synonyms

kainogenesis
vskenogenesis
  • Specialized
9.9

A development in an embryo when it makes new body parts not seen in earlier members of the species

is the introduction of such traits during development rather than earlier evolution
cainogenesis
vskenogenesis
  • Specialized
9.9

The embryo develops new body features that its ancestors did not have

is the same concept expressed as developmental novelty during embryogenesis
caenogenesis
vskenogenesis
  • Specialized
9.9

New body parts that develop while an embryo grows but were not in its ancestors

is the general idea without focusing on specific examples

Surface Forms

kenogenesis singular
kenogeneses plural

Morphology

kenogenesis = genesis (opaque) = keno + genesis

Although the word contains the recognizable element 'genesis', the prefix 'keno-' is a learned classical combining form and the biological sense is not straightforwardly predictable for most learners.

Etymology

The word kenogenesis can be remembered by its parts: keno- 'new' and -genesis 'origin', like the -genesis you see in genesis and generate. So, kenogenesis means the 'origin of something new' during an embryo's development, which is why it names the appearance of traits not seen in earlier ancestors.