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NEET2020ZoologyStrategies for Enhancement in Food ProductionActual

Inbreeding depression is:

Options

  1. AReduced motility and immunity due to close inbreeding
  2. BDecreased productivity due to mating of superior male and inferior female
  3. CDecrease in body mass of progeny due to continued close inbreeding
  4. DReduced fertility and productivity due to continued close inbreeding

Correct answer

D. Reduced fertility and productivity due to continued close inbreeding

Step-by-step solution

Inbreeding refers to the mating of closely related animals within the same breed for about 4 - 6 generations. Inbreeding helps in the development of animals of genetic purity. It promotes homozygosity and expression of recessive genes is observed. Continuous inbreeding leads to inbreeding depression, which affects the productivity and quality of animal products as well as health. The inbreeding depression can be eliminated by crossing animals to the same breed's superior animal but having no common ancestors on

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