what is outbreeding? Briefly explain the types of outbreeding
Answers
Explanation:
Outbreeding is the the reverse case of inbreeding, means production of offspring through mating between individuals unrelated or distantly related by ancestral descendent. ... Outbreeding can increase the genetic diversity and introduce elite alleles into the breeding population.
Answer:
Animals of different breeds are crossed it is called outbreeding. It includes out-crossing, cross-breeding, and interspecific hybridization.
Out-crossing: It is the mating between animals of the same breed, but not having common ancestors for 4 − 5 generations. It is usually used for animals, which have below-average productivity and growth rate. It helps to overcome inbreeding depression
Cross-breeding: It is the mating between a superior male of one breed with a superior female of another breed. Superior qualities of both the breeds combine and this is known as hybrid vigour. The progeny so formed is called a hybrid. A hybrid may be used as it is or may be further subjected to inbreeding. Example: Hisardale sheep is a hybrid of Bikaneri ewes and Marino rams.
Interspecific Hybridization: Males and females of different, but related species are mated. Progeny has desirable features of both the species. Example − Mule is an interspecific hybrid of donkey and horse. It is swifter and stronger than donkeys and more disease resistant than a horse.
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