pseudodominancen.

Brit.

/ˌs(j)uːdəʊˈdɒmᵻnəns/, U.S.

/ˌsudoʊˈdɑmən(ə)ns/

Origin: Formed within English, by compounding. Etymons: pseudo- comb. form, dominance n.

Etymology: < pseudo- comb. form + dominance n.

Genetics.

Originally: the apparent dominance of a recessive allele in a heterozygote resulting from the deletion (or inactivation) of all or part of the chromosome bearing the dominant allele. Later (now usually): the appearance of a recessive trait in successive generations of a family, resulting from matings between homozygotes and heterozygotes.

ΘΚΠ

the world > life > biology > biological processes > genetic activity > genetic components > [noun] > allele > dominant or recessive

recessiveness1896

recessive1900

dominance1902

coupling1906

pseudodominance1921

pseudodominant1948

1921 Proc. National Acad. Sci. U.S.A. 7 190 Haploidy for the first [chromosome] gives the male type and pseudo-dominance of sex-linked recessives.

1938 Yearbk. Carnegie Inst. 37 306 The ‘Minute’ effect is lethal when homozygous..and gives pseudo-dominance to straw in hybrids.

1991 J. L. Karlsson Genetics Human Mentality 41 This actually illustrates the phenomenon of pseudodominance, a homozygous recessive parent by chance having a carrier spouse, resulting in a 50 percent risk in the offspring.

2004 Jrnl. Amer. Soc. Dermatol. 51 (Suppl.) 13/2 Most instances of apparent multigenerational involvement have ultimately shown pseudodominance, the result of affected homozygotes..mating with unaffected heterozygote carriers.

This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).

单词	pseudodominance
释义	pseudodominancen. Brit. /ˌs(j)uːdəʊˈdɒmᵻnəns/, U.S. /ˌsudoʊˈdɑmən(ə)ns/ Origin: Formed within English, by compounding. Etymons: pseudo- comb. form, dominance n. Etymology: < pseudo- comb. form + dominance n. Genetics. Originally: the apparent dominance of a recessive allele in a heterozygote resulting from the deletion (or inactivation) of all or part of the chromosome bearing the dominant allele. Later (now usually): the appearance of a recessive trait in successive generations of a family, resulting from matings between homozygotes and heterozygotes. ΘΚΠ the world > life > biology > biological processes > genetic activity > genetic components > [noun] > allele > dominant or recessive recessiveness1896 recessive1900 dominance1902 coupling1906 pseudodominance1921 pseudodominant1948 1921 Proc. National Acad. Sci. U.S.A. 7 190 Haploidy for the first [chromosome] gives the male type and pseudo-dominance of sex-linked recessives. 1938 Yearbk. Carnegie Inst. 37 306 The ‘Minute’ effect is lethal when homozygous..and gives pseudo-dominance to straw in hybrids. 1991 J. L. Karlsson Genetics Human Mentality 41 This actually illustrates the phenomenon of pseudodominance, a homozygous recessive parent by chance having a carrier spouse, resulting in a 50 percent risk in the offspring. 2004 Jrnl. Amer. Soc. Dermatol. 51 (Suppl.) 13/2 Most instances of apparent multigenerational involvement have ultimately shown pseudodominance, the result of affected homozygotes..mating with unaffected heterozygote carriers. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < n.1921
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