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Answer:
Definition of Back Cross: The process of hybridization of an offspring (normally having genetic differences with its parents) with one of its parents (i.e. the cross of a hybrid offspring with its parents or an individual having genetic similarity with one of its parents) is known as Back Cross.
Reasons behind performing Back Cross:
To produce an offspring having genetic similarity with the parental generation.
Performing a number of back cross improves variety or breed in a certain species.
It is useful in genetics studies to isolate particular features in a group or species. Back cross is mainly used in animal breeding, horticulture and gene knockout organisms.
