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Chromosomes

Epistasis res...

Question

Epistasis results due to

A

Two different genes present on the same loci

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B

Two different genes present on different loci

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C

Only one gene

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D

Two different chromosomes which are not homologous

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Solution

The correct option is B Two different genes present on different loci
Epistasis is defined as the interaction of genes that are not alleles, in particular the suppression of the effect of one such gene by another. It is due to two different genes present on different loci. For example, coat colour in some animals.

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