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The statistical interaction between gene loci is called

  • A.Dominance variance
  • B.Epistatic variance
  • C.Recessive variance
  • D.All of the above

Answer: B

The statistical interaction between gene loci is called epistatic variance.

In quantitative genetics, the genetic variance is divided into additive variance, dominance variance (interaction between alleles at the same locus) and epistatic or interaction variance, which arises from interactions between genes at different loci.

Dominance variance is interaction within one locus, not between loci, and 'recessive variance' is not a recognised component.

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