Question

Inbreeding depression is

(1) Reduced fertility and productivity due to continued close inbreeding

(2) Reduced motility and immunity due to close inbreeding

(3) Decreased productivity due to mating of superior male and inferior female

(4) Decrease in body mass of progeny due to continued close inbreeding

Answer 1

Answer (1) Reduced fertility and productivity due to continued close inbreeding

Sol. Option (1) is the correct answer as continued inbreeding especially close inbreeding, usually reduces fertility and even productivity.

Outcrossing can help overcome inbreeding depression.