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GK QUESTION#4003

The phenomenon of the interaction between nonallelic genes at two or more loci resulting in one gene masking the phenotypic expression of another gene, is known as:

  1. Aincomplete inheritance
  2. Blinkage
  3. CepistasisCorrect answer
  4. Dcomplete inheritance
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Answer

C. epistasis

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Explanation

Epistasis is an interaction between different gene loci in which one modifies or masks another’s phenotypic effect. Dominance concerns relationships between alleles at the same locus.

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