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单词 Hybrid corn
释义

Hybrid corn

英语例句库

The various genes of increasing sweet taste and gene wx can be expressed on the same ear, and the aim has been realized breeding the corn hybrids with sweet and waxy flavous fresh ears.

该方法利用遗传学原理使各种不同基因型的甜与糯的籽粒能在同一果穗上得以同时表达,因而实现了培育既甜又糯的鲜食甜糯玉米的育种目标。

英语百科

Heterosis

A mixed-breed dog
 Genetic basis of heterosis.

Dominance hypothesis. Scenario A.
Fewer genes are under-expressed in the homozygous individual. Gene expression in the offspring is equal to the expression of the fittest parent.

Overdominance hypothesis. Scenario B.
Over-expression of certain genes in the heterozygous offspring.

(The size of the circle depicts the expression level of gene A)

Heterosis, hybrid vigor, or outbreeding enhancement, is the improved or increased function of any biological quality in a hybrid offspring. The adjective derived from heterosis is heterotic.

An offspring exhibits heterosis if its traits are enhanced as a result of mixing the genetic contributions of its parents. These effects can be due to Mendelian or non-Mendelian inheritance.

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更新时间:2025/6/17 23:35:21