The phenomenon of pleiotropism refers to - Vidyadip

MCQ

The phenomenon of pleiotropism refers to

A
More than two genes affecting a single character
B
Presence of several alleles of a single gene controlling a single crossover
C
Presence of two alleles, each of the two genes controlling a single trait
✓
A single gene affecting multiple phenotypic expression

✓

Answer

Correct option: D.

A single gene affecting multiple phenotypic expression

d
When a single gene affects multiple phenotypic expression, the gene is called pleiotropic gene and the phenomenon is called pleiotropism.

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