Question

Distinguish between Genetic covariance and Indirect selection and indicate their significance in animal breeding

Answer 1

In evolutionary quantitative genetics, genetic covariance serves as a measurable statistic summary that captures the effects of pleiotropy and linkage disequilibrium also quantifies the evolutionary response of one trait will be affected by selection of another whereas in indirect selction the evolution characters are indirectly connected with those characters which goes natural selection.

Indirect selection uses some yield components which are more heritable than yield itself and more stable in environment affecting them. Genetic covariance can alter the response to slection from the easy univariate prediction.

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