| 单词 | additive gene action |
| 释义 | additive gene action [¦ad·ǝ·div ¦jēn ´ak·shǝn] GENETICS 1. A form of allelic interaction in which dominance is absent, resulting in a heterozygote that is intermediate in phenotype between homozygotes for the alternative alleles. 2. The cumulative contribution made by all loci in a group of nonallelic genes to a polygenic trait. |
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