1.

a) What is inbreeding depression? b) Explain the importance of "selection" during inbreeding in cattle.

Answer» a) Continued inbreeding, especially, close inbreeding, usually reduces fertility and even productivity. This is called inbreeding depression.
b) Inbreeding increases homozygosity. Thus, inbreeding exposes harmful recessive genes that are eliminated by selection.
Where, there is selection at each step, increase the productivity of inbred population. A superior female, in case of cattle, is the cow or buffalo that produces more milk per lactation.


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