Topic: Animal Genetics & Breeding

Selective breeding within zebu cattle is expected to yield 1% genetic gain per year in organized herds whereas genetic improvement in farmer herds is-

If $AA=10$ & $aa=0$ then which of the following is the example of Incomplete dominance-

Which measure of dispersion is least affected by extreme values-

Outcrossing within a herd by use of selected sires is-

In __________-selection, only one trait is selected at a time.

Which force changes the gene frequency fastest:

Match the column: TABLE-I TABLE-II 1) Selection Index a) Most accurate aid to selection 2) Progeny testing b) Best aid to selection for carcass traits in sheep 3) Individual selection c) Most efficient aid to selection 4) Sib selection d) Most efficient method of selection

“Resemblance between relatives” is the basis of estimation of:

In a multiple allelic system with 3 alleles ($A_{1}, A_{2} & A_{3}$) If $A_{1}=0.25$, $A_{2}=0.35$ then frequency of $A_{3}$ will be-

Which of the following is true about inter-se mating-