dihybridn.

/dʌɪˈhʌɪbrɪd/

Etymology: < di- comb. form + hybrid n.

Biology.

A hybrid that is heterozygous with respect to two independent genes. Also attributive.

ΚΠ

1907 R. C. Punnett Mendelism (ed. 2) 62 In the dihybrid cases..the two pairs of characters behaved quite independently, in so far as the process of segregation was concerned.

1918 E. B. Babcock & R. E. Clausen Genetics in Relation to Agric. v. 86 The F₂ segregates in accordance with normal dihybrid expectations.

1965 P. Bell & D. Coombe tr. Strasburger's Textbk. Bot. (new ed.) ii. ii. 334 Hybrids heterozygous for two characters are known as dihybrids.

1969 G. 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.

Derivatives

diˈhybridism n.

ΚΠ

1907 R. C. Punnett Mendelism (ed. 2) 34 Where the original parents differ in two pairs of characters, the case is termed one of dihybridism.

This entry has not yet been fully updated (first published 1933; most recently modified version published online September 2018).

单词	dihybrid
释义	dihybridn. /dʌɪˈhʌɪbrɪd/ Etymology: < di- comb. form + hybrid n. Biology. A hybrid that is heterozygous with respect to two independent genes. Also attributive. ΚΠ 1907 R. C. Punnett Mendelism (ed. 2) 62 In the dihybrid cases..the two pairs of characters behaved quite independently, in so far as the process of segregation was concerned. 1918 E. B. Babcock & R. E. Clausen Genetics in Relation to Agric. v. 86 The F₂ segregates in accordance with normal dihybrid expectations. 1965 P. Bell & D. Coombe tr. Strasburger's Textbk. Bot. (new ed.) ii. ii. 334 Hybrids heterozygous for two characters are known as dihybrids. 1969 G. 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. Derivatives diˈhybridism n. ΚΠ 1907 R. C. Punnett Mendelism (ed. 2) 34 Where the original parents differ in two pairs of characters, the case is termed one of dihybridism. This entry has not yet been fully updated (first published 1933; most recently modified version published online September 2018). < n.1907
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