Topic: Animal Genetics & Breeding

Which force changes the gene frequency slowest:

Match the column: TABLE-I TABLE-II 1) Osborne index a) Best method of selection 2) Sire Index b) For selection of pullet & cockerels 3) Abplanalp Index c) For improving egg production in poultry 4) BLUP d) Index of genetic worth of sire 5) Selection Index e) Most powerful method of indexing sire

Repeatability is generally estimated by-

Coefficient of relationship of progenies produced by parent-offspring mating, full sib mating & half sib mating are respectively-

System of mating in which 3 breeds are crossed in a rotational manner-

Genetic covariance between Parent-offspring, half sibs, full sibs are respectively-

Least reliable method of heritability estimation is-

Range of heritability, repeatability & fitness of a trait is-

Which of the following pair is/are correctly matched?

The no. of Autosomes & sex chromosomes normally present in donkey egg cell is-