Outcrossing

Outcrossing is a term used in genetics for the mating of unrelated individuals in a population or species. It was originally used for the crossing of an inbred strain with the wild type.Futuyma D.J. Evolution. Sinauer, Sunderland, Massachusetts. p126 Hybrid vigour is the great improvement in fitness which usually occurs as a result of outcrossing a previously inbred line.

Outcrossing leads to random mating, whereas mating of relatives leads to inbreeding.

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Category:Classical genetics