linkage group Word Origin noun Genetics.
- a group of genes in a chromosome that tends to be inherited as a unit.
Origin of linkage group First recorded in 1935–40 linkage group in Medicine linkage group n.
- A pair or set of genes on a chromosome that tend to be inherited together.
linkage group in Science linkage group [lĭng′kĭj]
- A pair or set of genes that are close to each other on a chromosome and tend to be transmitted together.