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easyMCQNEET 20232026Biology
1 mark

Which one of the following is not an advantage of inbreeding?

  1. A
    It decreases homozygosity
  2. B
    It exposes harmful recessive genes that are eliminated by selection
  3. C
    Elimination of less desirable genes and accumulation of superior genes takes place due to it
  4. D
    It decreases the productivity of inbred population, after continuous inbreeding

Solution & Step-by-step Explanation

1. Incorrect Statement: Inbreeding increases homozygosity, not decreases it.2. B and C are valid genetic advantages of selective inbreeding.3. D describes inbreeding depression, which is a disadvantage of continuous inbreeding (though the phrasing in the question asks for "not an advantage").(Note: Per standard NEET 2023 key, A is the intended answer because inbreeding's fundamental mechanism is to increase homozygosity).

Practice this question

Try it yourself before checking the explanation above.

Which one of the following is not an advantage of inbreeding?
A
It decreases homozygosity
B
It exposes harmful recessive genes that are eliminated by selection
C
Elimination of less desirable genes and accumulation of superior genes takes place due to it
D
It decreases the productivity of inbred population, after continuous inbreeding

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