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AIIMS 2013
Exam
AIIMS
Year
2013
Subject
Zoology
Chapter
Strategies for Enhancement in Food Production

AIIMS 2013 · Zoology · Strategies for Enhancement in Food Production

Which of the following is not true for inbreeding?

Which of the following is not true for inbreeding?

Options

  1. AIt causes inbreeding depression after a few generations
  2. BIt always increases the productivity.
  3. CIt is used to produce a pure line.
  4. DIt leads to homozygosity

Correct answer

B. It always increases the productivity.

Step-by-step solution

Inbreeding leads to increase in homozygosity. This, in recessive alleles, may cause expression of harmful effects. Also, inbreeding depression may lead to loss of fitness in progenies, thus decreasing productivity in some cases.
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