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Question

Which of the following is true for inbreeding ?

A
It increase homozygosity
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B
It supress harmful recessive genes
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C
It causes inbreeding depression
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D
Both A and C
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Solution

The correct option is D Both A and C
The production of offspring by mating animals that are genetically closely related is called inbreeding. Inbreeding increases homozygosity and hence, increases the chances of expression of recessive homozygous traits. It often results in the reduction of biological fitness of a population which is commonly referred to as inbreeding depression.
Hence, the correct answer is 'A and C'.

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