heterogenicadj.1
/ˌhɛtərəʊˈdʒɛnɪk/ 1. ‘Occurring in the wrong sex, as a beard upon a woman’ (Dorland, 1900).
2. Biology. Characterized by an alternation of generations; = heterogenetic adj. 1.
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the world > life > biology > biological processes > procreation or reproduction > types of reproduction > [adjective] > alternate generation
metagenetic1849
heterogenetic1872
metagenic1883
heterogenic1901
heterogamic1904
1901 Jrnl. Exper. Med. 6 80 These various forms were but different phases in the cycle of a single heterogenic parasite.
3. Medicine. Derived from animals of a different species.
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the world > life > biology > laboratory analysis > processes > [adjective] > from animals of the same or different species
heterogenic1911
homogenic1911
1911 Jrnl. Exper. Med. 14 245 Fetal tissues of the chicken grew extensively in human, rabbit, and dog plasma. In general, however,..the development of the tissues is slighter..in heterogenic than in autogenic and homogenic plasma.
1920 Jrnl. Pathol. & Bacteriol. 23 366 There is established the existence of an apparently specific relationship between the lipoids of heterogenic organs and the heterogenetic antibody.
1922 Jrnl. Exper. Med. 35 17 It would be of advantage to cultivate chicken tissue in heterogenic serum because it is much more difficult to keep alive in vitro permanently a strain of mammal fibroblasts than of chicken fibroblasts.
Derivatives
heterogenicity n.
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1901 Jrnl. Exper. Med. 6 82 A matter of purely facultative, by no means exclusive or obligatory heterogenicity.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018).
heterogenicadj.2
/ˌhɛtərəʊˈdʒiːnɪk/ Genetics.
Having more than one allele of a particular gene.
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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
1947 D. Lewis in Heredity I. 86 Pollen grains with such different alleles are described as heterogenic.
1947 D. Lewis in Heredity I. 88 Some types of heterogenic pollen were fully compatible on a style carrying only one of the alleles present in the pollen, but were incompatible on styles carrying the other allele only.
1967 Hereditas LVIII. 25 There is lack of interaction in all the twelve allelic pair constellations which are possible in the heterogenic pollen of the tetraploid.
This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2018).
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adj.11901adj.21947