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Botany · PYQ NEET UG 2023

हिन्दी

The phenomenon of pleiotropism refers to

  1. presence of several alleles of a single gene controlling a single crossover.
  2. presence of two alleles, each of the two genes controlling a single trait.
  3. a single gene affecting multiple phenotypic expression.
  4. more than two genes affecting a single character.

Correct answer · Option 3

a single gene affecting multiple phenotypic expression.

Explanation

Pleiotropy is the phenomenon where a single gene influences multiple phenotypic traits.
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