homozygoten.
/hɒməʊˈzʌɪɡəʊt/ Biology.
A diploid individual that has identical alleles at one or more genetic loci. Also attributive or as adj.: homozygous.
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the world > life > biology > biological processes > genetic activity > genetic components > [noun] > allele > condition with respect to > individual
heterozygote1902
homozygote1902
hemizygote1935
1902 W. Bateson & E. R. Saunders Rep. to Evol. Comm. Royal Soc. No. 1. 126 Similarly, the zygote formed by the union of gametes having similar allelomorphs, may be spoken of as a homozygote.
1902 W. Bateson Mendel's Princ. Heredity 23 This Aa is the hybrid, or ‘mule’ form, or as I have elsewhere called it, the heterozygote, as distinguished from AA or aa the homozygotes.
1903 W. Bateson in Nature 19 Mar. 463/1 The homozygotes will all have pink eyes.
1909 R. H. Lock Rec. Progess Study Variation (ed. 2) vii. 185 Let the F1 plants, arising from the smooth yellow heterozygote grains, be crossed with the wrinkled white parent.
1927 J. B. S. Haldane & J. S. Huxley Animal Biol. ii. 67 Homozygote parents.
1930 R. A. Fisher Genetical Theory Nat. Selection i. 8 The heterozygote when mated to either kind of homozygote would produce both heterozygotes and homozygotes.
1949 C. D. Darlington & K. Mather Elements of Genetics xiii. 276 If we breed a homozygote, or a group of like homozygotes, the offspring will be genetically..identical both with their parents and with one another.
1965 T. Dobzhansky Heredity & Nature of Man v. 156 Persons who inherit this gene from both parents (homozygotes) die of fatal anemia.
Derivatives
ˌhomozyˈgosis n. the fusion of two genetically identical gametes; the state or condition of being homozygous.
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the world > life > biology > biological processes > procreation or reproduction > types of reproduction > [noun] > zygosis
zygosis1880
heterozygosis1905
homozygosis1905
zygogenesis1950
1905 W. Bateson in Rep. Brit. Assoc. 1904 348 The other possibility is that this phenomenon is due to simultaneous homozygosis of independent allelomorphs.
1942 Nature 10 Jan. 54/2 Such self-mating gives immediate homozygosis.
ˌhomozyˈgosity n. the state or condition of being homozygous; the degree or extent to which an individual is homozygous with respect to its complement of genetic loci.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > zygote or syngamete > monozygosity, etc.
homozygosity1916
monozygosity1928
zygosity1952
1916 Mem. N.Y. Bot. Gard. VI. 349 Such a condition might also arise from inbreeding in which what is called ‘homozygosity’ might develop, giving similarity to the hereditary complex.
1925 D. F. Jones Genetics Plant & Animal Improvem. xv. 503 Only by bringing sexually reproducing organisms to a fairly high degree of homozygosity can there be any possibility of successfully predicting the outcome in particular matings.
1957 C. H. Waddington Strategy of Genes ii. 48 Further, gene-fixation and the passage to homozygosity, will be still more delayed if the environment does not remain perfectly uniform.
1969 Sci. Jrnl. Dec. 86/2 Various disorders due to homozygosity for rare recessive genes..are much commoner in such inbred populations than in outbred populations.
ˌhomozyˈgotic adj. of or pertaining to homozygosis; homozygous.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [adjective] > zygote or syngamete > monozygosity, etc.
binovular1900
uniovular1904
heterozygotic1911
monozygotic1916
one-egg1921
homozygotic1927
dizygotic1930
monozygous1931
monovular1932
dizygous1940
monozygote1955
two-egg1959
1927 Hereditas 8 77 Both V. tricolor and V. arvensis are homozygotic in respect of the modifying gene.
1949 C. D. Darlington & K. Mather Elements of Genetics xiii. 279 The homozygotic potential will remain as such so long as cross-breeding is absent or at least restricted to like homozygotes.
ˌhomozyˈgotically adv.
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the world > life > biology > biological processes > genetic activity > genetic components > [adverb] > condition with respect to allele
homozygotically1927
1927 Hereditas 8 147 One gene.., when homozygotically present, turns the full yellow to a yellowish white.
homoˈzygous adj. having identical alleles at one or more genetic loci; characterized by or relating to this.
ΘΚΠ
the world > life > biology > biological processes > genetic activity > genetic components > [adjective] > allele > condition with respect to
heterozygous1902
homozygous1902
nulliplex1911
simplex1911
hemizygous1921
quadruplex1923
triallelic1944
heterogenic1947
homogenic1947
null1955
1902 W. Bateson & E. R. Saunders Rep. to Evol. Comm. Royal Soc. No. 1. 152 The various homo- and hetero-zygous combinations.
1930 Jrnl. Genetics 23 404 The conclusion..that the Creeper gene in the homozygous conditions acts as a lethal.
1970 E. J. Ambrose & D. M. Easty Cell Biol. x. 335 White-eyed females would only be observed if they were homozygous for this recessive gene.
This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2019).
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