The phenomenon in which an allele of one gene | vedclass

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(C) Epistasis is a genetic interaction where the effect of one gene is dependent on the presence of one or more 'modifier' genes,i.e.,the genetic back

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Epistasis

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(C) Epistasis is a genetic interaction where the effect of one gene is dependent on the presence of one or more 'modifier' genes,i.e.,the genetic background.In this phenomenon,an allele of one gene masks or suppresses the phenotypic expression of an allele of another gene.For example,in dominant epistasis,the $F_2$ phenotypic ratio is typically modified to $12:3:1$ instead of the standard Mendelian $9:3:3:1$ ratio.

The phenomenon in which an allele of one gene suppresses the activity of an allele of another gene is known as

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