NEETBiologyPrinciples of Inheritance and VariationMCQ+4 / −1
The phenomenon of pleiotropism refers to
- APresence of two alleles, each of the two genes controlling a single trait
- BA single gene affecting multiple phenotypic expression
- CMore than two genes affecting a single character
- DPresence of several alleles of a single gene controlling a single crossover
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Correct answer: B
When a single gene affects multiple phenotypic expression, the gene is called pleiotropic gene and the phenomenon is called pleiotropism.
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