NEET2023Botany-Genetics
NEET 2023 Botany Gene Expression MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The phenomenon of pleiotropism refers to
A
presence of two alleles, each of the two genes controlling a single trait.
B
a single gene affecting multiple phenotypic expression.
C
more than two genes affecting a single character.
D
presence of several alleles of a single gene controlling a single crossover.
Correct Answer
Option B
Detailed Explanation
Pleiotropism occurs when one gene influences multiple phenotypic traits.
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