Q. The phenomenon of a single gene regulating several phenotypes is called
A) Multiple allelism
B) epistasis
C) Incomplete dominance
D) Pleiotropism
Explanation
The ability of a gene to have multiple effects is known as pleiotropy and this phenomenon pleiotropism. The basis of pleiotropy is the interrelationship between the metabolic pathways that may contribute towards different phenotypes.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.