linkage group

noun

, Genetics.

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

linkage group

/ lĭng′kĭj /

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

Word History and Origins

Origin of linkage group¹

First recorded in 1935–40

Example Sentences

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.

From Scientific American

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

From Nature

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.

From Nature

Black bands in each linkage group represent mapped markers.

From Nature

Black bands in each linkage group represent mapped markers.

From Nature