“polygene”的英文意思_释义_用法

单词

polygene

释义

polygene Genetics.|ˈpɒlɪdʒiːn|
[Back-formation from polygenic a. 3; cf. gene¹.]
A gene whose individual effect on the phenotype of a single organism is too small to be observed, but which can act together with other, non-allelic polygenes to produce observable phenotypic variation in a quantitative character.
1941Jrnl. Genetics XLI. 163 The inbreeding this line had undergone had in fact made it homozygous for the hair-number polygenes.1949[see polygenic a. 3].1961Lancet 9 Sept. 601/2 One might envisage a system of pleiotropic masculinising polygenes located more or less randomly along the whole of the Y chromosome.1973Nature 21/28 Dec. 498/2 Techniques for the location of polygenes, developed in Drosophila but also very successful in mice and wheat, have not been applied to human material.

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