Which set is of beneficial insects, to man

A. Mutational breeding

B. Cross breeding

C. Inbreeding

D. Out crossing

A. Inbreeding depression cannot be overcome by out-crossing

B. Inbreeding helps in elimination of deleterious alleles from the population

C. Inbreeding is necessary to evolve a pure line in any animal

D. Continued inbreeding reduces fertility and leads to inbreeding depression

A. Inbreeding increases homozygosity

B. Inbreeding is essential to evolve purelines in any animal

C. Inbreeding selects harmful recessive genes that reduce fertility and productivity

D. Inbreeding helps in accumulation of superior genes and elimination of undesirable genes

A. mating of unrelated individuals of same breed

B. mating of individuals of different breed

C. mating of individuals of different species

D. mating of related individuals of same breed