D) Retention of larval or embryonic trait in the adult body
Explanation
Neoteny is the retention of larval or embryonic characters even after sexual maturity. It is shown by Axolotl larva or Ambystoma (tiger salamander) found in USA and Mexico.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.