| 释义 |
allelomorph Biol.|æˈliːləʊmɔːf|
[f. Gr. ἀλλήλ- one another + -o + µορϕή form.]
One of several alternative forms of the same gene, occupying the same relative positions in homologous chromosomes. Hence aˌlleloˈmorphic a., pertaining to or of the nature of allelomorphs; aˌlleloˈmorphism, the existence, transmission, or inheritance of allelomorphs.
1902Bateson & Saunders in Rep. Evol. Com. R. Soc. I. 159 [If] two similar gametes meet, their offspring will be no more likely to show the other allelomorph than if no cross had ever taken place. Ibid. 127 The strictly allelomorphic or Mendelian distribution of characters among the gametes. Ibid. 142 It does not appear as yet that simple allelomorphism occurs between any two colours, of which neither is xanthic or albino. 1906R. H. Lock Variation, Hered. & Evol. vii. 184 The dominant and recessive allelomorph seem to represent respectively the presence and absence of something. Ibid. x. 265 Allelomorphic characters. 1914T. H. Morgan in Amer. Naturalist XLVIII. 502 (title) The theoretical distinction between multiple allelomorphs and close linkage. Ibid., Dexter pointed out that the mode of treatment that Nabours followed..is the procedure of multiple allelomorphism. 1949Darlington & Mather Elements Genetics v. 114 In addition to such simple allelomorphs, however, particular loci in scores of species show whole series of alternatives, multiple allelomorphs as they are called. 1957E. B. Ford Butterflies ix. 188 Three, four, or more forms of the same gene have on occasion been encountered, so giving rise to ‘multiple allelomorphs’. |