Backcross
Backcross
Backcross (pronunciation: /ˈbakˌkrôs/, etymology: derived from the words 'back' and 'cross', indicating the process of crossing a hybrid with one of its parents or an individual genetically similar to its parent) is a term used in Genetics to describe a specific type of crossbreeding that involves mating a hybrid organism with one of its parents.
Definition
In genetics, a backcross, often abbreviated as BC, is a crossing of a hybrid with one of its parents or an individual genetically similar to its parent, in order to achieve offspring with a genetic identity which is closer to that of the parent. This is often used in selective breeding.
Use in Genetics
Backcrossing is a common method used in animal and plant breeding, particularly in the creation of genetic lines of organisms. It is used to introduce or stabilize desirable traits in an organism, and to reduce the incidence of undesirable traits.
Related Terms
- Crossbreeding: The process of breeding an organism with a different breed, species, or variety.
- Selective Breeding: The process of breeding organisms for specific genetic traits.
- Genetic Line: A line of descent traced continuously from an ancestor to a particular individual.
- Breeding: The process of mating organisms to produce offspring.
External links
- Medical encyclopedia article on Backcross
- Wikipedia's article - Backcross
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