“dihybrid”的英文意思_释义_用法

单词

dihybrid

释义

dihybrid Biol.|daɪˈhaɪbrɪd|
[f. di-² + hybrid n.]
A hybrid that is heterozygous with respect to two independent genes. Also attrib. So diˈhybridism.
1907R. C. Punnett Mendelism (ed. 2) 34 Where the original parents differ in two pairs of characters, the case is termed one of dihybridism.Ibid. 62 In the dihybrid cases..the two pairs of characters behaved quite independently, in so far as the process of segregation was concerned.1918Babcock & Clausen Genetics Rel. Agric. v. 86 The F₂ segregates in accordance with normal dihybrid expectations.1965Bell & Coombe tr. Strasburger's Textbk. Bot. (new ed.) ii. ii. 334 Hybrids heterozygous for two characters are known as dihybrids.1969G. W. Burns Sci. Genetics iv. 68 The F₁ individuals in this instance are referred to as dihybrid individuals because they are heterozygous for each of the two pairs of genes.

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