If one gene affects more than one character is

A. Polymorphism

B. Phenotype

C. Pleiotropy

D. Phenocopy

Answer: Option C

Solution(By Examveda Team)

If one gene affects more than one character is Pleiotropy.
Pleiotropy means that a single gene affects two or more characters. In the context of life history evolution, pleiotropy means that a single gene affects the fitness of the organism at two or more ages.
It is convenient to categorize the combinations of age-specific pleiotropic effects.