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Continued close inbreeding reduces fertility and productivity, a problem called:

AInbreeding depression
BLoss of hybrid vigour
COutbreeding depression
DRandom genetic drift
Answer & Solution
Correct answer: A. Inbreeding depression
1. Harmful recessive genes get exposed. 2. The decline is inbreeding depression. 3. Mating with unrelated superior animals restores yield. _Source: syllabus Biology, Chapter 9, Strategies for Enhancement in Food Production._
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