When a single gene influences more than one trait it is called :

Question

When a single gene influences more than one trait it is called : (A) pleiotrophy (B) epistasis (C) pseudo-dominance (D) none of these

Tardigrade Admin · Accepted Answer

When a single gene influences multiple phenotype expression it is called a pleiotropic gene. E.g. phenylketonuria, where a single gene mutation results in various phenotypic effects such as hair and skin colour, mental retardation, etc.

Q. When a single gene influences more than one trait it is called :

pleiotrophy

epistasis

pseudo-dominance

none of these

When a single gene influences multiple phenotype expression it is called a pleiotropic gene. E.g. phenylketonuria, where a single gene mutation results in various phenotypic effects such as hair and skin colour, mental retardation, etc.