overdominance

enUK

o·ver·dom·i·nance

(ō'vĕr-dom'i-năns), That state in which the heterozygote has greater phenotype value and perhaps is more fit than the homozygous state for either of the alleles that it comprises. Compare: balanced polymorphism.

overdominance

(ō′vər-dŏm′ə-nəns)n. The condition of a heterozygote having a phenotype that is more pronounced or better adapted than that of either homozygote.

o′ver·dom′i·nant adj.

o·ver·dom·i·nance

(ō'vĕr-dom'i-năns) That state in which the heterozygote has greater phenotype value and perhaps is more fit than the homozygous state for either of the alleles that it comprises.
Compare: balanced polymorphism

overdominance

a phenotypic condition in which the HETEROZYGOTE expresses a stronger manifestation of the trait than either HOMOZYGOTE. Overdominance produces heterozygous advantage that can maintain a GENETIC POLYMORPHISM in a population.

单词	overdominance
释义	overdominance enUK o·ver·dom·i·nance O0180200 (ō′vər-dŏm′ə-nəns)n. The condition of a heterozygote having a phenotype that is more pronounced or better adapted than that of either homozygote. o′ver·dom′i·nant adj. overdominance (ˌəʊvəˈdɒmɪnəns) nexcessive dominance overdominance enUK overdominance [¦ō·vər′däm·ə·nəns] (genetics) Monohybrid heterosis, that is, the phenotype is being more pronounced in the heterozygote than in either homozygote with respect to a specified pair of alleles. overdominance enUK o·ver·dom·i·nance (ō'vĕr-dom'i-năns), That state in which the heterozygote has greater phenotype value and perhaps is more fit than the homozygous state for either of the alleles that it comprises. Compare: balanced polymorphism. overdominance (ō′vər-dŏm′ə-nəns)n. The condition of a heterozygote having a phenotype that is more pronounced or better adapted than that of either homozygote. o′ver·dom′i·nant adj. o·ver·dom·i·nance (ō'vĕr-dom'i-năns) That state in which the heterozygote has greater phenotype value and perhaps is more fit than the homozygous state for either of the alleles that it comprises. Compare: balanced polymorphism overdominance a phenotypic condition in which the HETEROZYGOTE expresses a stronger manifestation of the trait than either HOMOZYGOTE. Overdominance produces heterozygous advantage that can maintain a GENETIC POLYMORPHISM in a population.
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