linkage group

noun

Genetics.

a group of genes in a chromosome that tends to be inherited as a unit.

linkage group

A pair or set of genes that are close to each other on a chromosome and tend to be transmitted together.

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Word History and Origins

Origin of linkage group¹

First recorded in 1935–40

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Example Sentences

Examples have not been reviewed.

Although their order may change, the genes on a chromosome form a kind of linkage group: they don’t usually shuffle with genes on other chromosomes.

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Letters next to each linkage group name indicate putative assignments of the linkage group to the A or B sub-genome.

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The ‘Adaptive MHC’ encodes tightly-linked essential genes involved in antigen presentation to T cells; this group of genes is the primordial linkage group and has been preserved in most non-mammalian vertebrates, including Xenopus.

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Black bands in each linkage group represent mapped markers.

From

Black bands in each linkage group represent mapped markers.

From

linkage editor linkboy

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