linkage defined in 1951 yearlinkage - linkage;
linkage - Association of two or more non-allelomorphic genes, so that they tend to be passed from generation to generation as an inseparable unit, and fail to show independent assortment. Due to their being in same chromosome. Separation of such genes into different chromosomes occurs from time to time as a result of crossing-over. The nearer such genes are to each other on a chromosome the less often they are separated by crossing-over and the more closely linked they are said to be. All the genes in one chromosome form one linkage-group.
near linkage in Knolik
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