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linkage group
(redirected from Genetic linkage)

    Also found in: Medical, Wikipedia 0.13 sec.

linkage group

All the genes on a single chromosome. They are inherited as a group; during cell division they act and move as a unit rather than independently. Variations in linkage groups can occur if a chromosome breaks, and the sections join with the partner chromosome if it has broken in the same places. This exchange of genes between chromosomes, called crossing-over, usually occurs during meiosis. Sex linkage is the tendency of a characteristic to be linked to one sex; sex-linked traits in humans include red-green colour blindness and hemophilia.
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Recent genetic linkage studies have mapped the culprit gene to chromosome 9q22.
Tonsillar inclusion cysts in Gorlin's syndrome by Preciado, Diego / Ear, Nose and Throat Journal
Other important mechanisms that could stabilize resistant populations are no-cost resistance mutations (25) and genetic linkage with adjacent genes.
Persistence of resistant Staphylococcus epidermidis after single ... by Engstrand, Lars / Emerging Infectious Diseases
Genetic linkage and association studies have identified many chromosomal regions and quantitative trait loci (QTL) associated with complex phenotypes related to alcohol induced behaviors and/or alcoholism.
Finding genes for alcohol-related behaviors and risk for alcoholism by Environmental Health Perspectives
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