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additive
(redirected from additive genetic variance)

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Additive Additive genetic variance is produced by the statistically independent (additive) effects on the phenotype of all of the alleles at all of the loci that determine the trait of interest.
Narrow sense heritability was estimated as the proportion of additive genetic variance to total variance as follows, where the terms are the variance components for the terms in the earlier mentioned model: [h.
Thus, selective breeding and domestication efforts that emphasize selection on additive genetic variance should be effective, and our data provide no reason to believe that more complicated breeding schemes designed to use nonadditive heterotic effects, whatever the mechanism, would be advantageous over the judicious selection or construction of a base population with low inbreeding depression.
 
 
 
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