kainogenesis

• مصطلح علمي في علم الأحياء التطوري والجنيني يشير إلى ظهور صفات أو تراكيب جديدة أثناء التطور الجنيني لم تكن موجودة في التاريخ التطوري السابق للسلالة أو النوع، مثل ظهور المشيمة في تطور الثدييات.

A scientific term referring to the introduction of new characters or structures during embryonic development that were not present in the earlier evolutionary history of a strain or species, such as the addition of the placenta in mammalian evolution.

غير معدود

1. Evolutionary developmental biologyC2formalscientific

   The process by which entirely new structures or characteristics appear during embryonic development that were not present in the evolutionary history of a species or its ancestors.

   التكوّن الجديد

   • The evolution of the placenta in mammals is a classic example of kainogenesis.
   • Kainogenesis can lead to the rapid emergence of novel adaptations in a lineage.
   • Researchers study kainogenesis to understand how new body plans arise in evolution.

   المرادفاتcaenogenesiscenogenesiskenogenesis