Question

The term pleiotropy is best defined as: A) A condition in which multiple genes are missing. B) A situation in which one gene remains unexpressed. C) One gene influencing multiple, seemingly unrelated phenotypic traits. D) Two genes affected by a single allele.

Answer 1

Answer: c

Explanation: Pleiotropy refers to the phenomenon in which a single gene is responsible for a number of distinct and seemingly unrelated phenotypic effects.