| 释义 |
▪ I. heterogenic, a.1|ˌhɛtərəʊˈdʒɛnɪk|
[f. Gr. ἑτερογεν-ής (see heterogene a.) + -ic; in sense 2 prob. directly f. heterogeny 3 b.]
1. ‘Occurring in the wrong sex, as a beard upon a woman’ (Dorland, 1900).
2. Biol. Characterized by an alternation of generations; = heterogenetic a. 1.
1901Jrnl. Exper. Med. VI. 80 These various forms were but different phases in the cycle of a single heterogenic parasite.
3. Med. Derived from animals of a different species.
1911Jrnl. Exper. Med. XIV. 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. 1920Jrnl. Path. & Bacteriol. XXIII. 366 There is established the existence of an apparently specific relationship between the lipoids of heterogenic organs and the heterogenetic antibody. 1922Jrnl. Exper. Med. XXXV. 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.
▪ II. heterogenic, a.2 Genetics.|ˌhɛtərəʊˈdʒiːnɪk|
[f. hetero- + gene + -ic.]
Having more than one allele of a particular gene.
1947D. Lewis in Heredity I. 86 Pollen grains with such different alleles are described as heterogenic. Ibid. 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. 1967Hereditas LVIII. 25 There is lack of interaction in all the twelve allelic pair constellations which are possible in the heterogenic pollen of the tetraploid. |