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The phenomenon of pleiotropism refers to
Option: 1
presence of several alleles of a single gene controlling a single crossover.
Option: 2
presence of two alleles, each of the two genes controlling a single trait.
Option: 3
a single gene affecting multiple phenotypic expression
Option: 4
more than two genes affecting a single character.
Answers (1)
Pleiotropy refers to a phenomenon in which a single gene can manifest multiple phenotypic expressions. In most cases, this occurs due to the gene's impact on various metabolic pathways that contribute to different observable traits.
Option 3 is the correct answer
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