linkage The association of genes that results from their being on the same chromosome. Linkage is detected by the greater association in inheritance of two or more non-allelic genes than would be expected from independent assortment. The nearer such genes are to each other on a chromosome, the more closely linked they are, and the less often they are likely to be separated in future generations by crossing-over. All the genes in one chromosome form one linkage group.

linkage The association of genes that results from their being on the same chromosome. Linkage is detected by the greater association in inheritance of two or more non-allelic genes than would be expected from independent assortment. The nearer such genes are to each other on a chromosome, the more closely linked they are, and the less often they are likely to be separated in future generations by crossing-over. All the genes in one chromosome form one linkage group.

link·age / ˈlingkij/ • n. the action of linking or the state of being linked. ∎  a system of links: a complex linkage of nerves. ∎  the linking of different issues in political negotiations. ∎  Genetics the tendency of groups of genes on the same chromosome to be inherited together.

linkage The tendency for two different genes on the same chromosome to remain together during the separation of homologous chromosomes at meiosis. Linkage can be broken by crossing over or by a chromosome mutation, when sections of chromosomes are exchanged and new combinations of genes are produced. See also sex linkage.

linkage The association of genes that results from their being on the same chromosome. The nearer such genes are to each other on a chromosome, the more closely linked they are, and the less often they are likely to be separated in future generations by crossing-over. All the genes in one chromosome form one linkage group.