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Inbreeding

Which of the ...

Question

Which of the following is not true for inbreeding?

A

It causes inbreeding depression after a few generations.

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B

It always increases the productivity

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C

It is used to produce a pure line.

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D

It leads to homozygosity.

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Solution

The correct option is B It always increases the productivity
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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Similar questions

Q. Regarding assertion and reason, choose the correct option.
Assertion[A]: Excessive inbreeding leads to inbreeding depression
Reason[R]: Increased homozygosity leads to loss of heterozygosity

Q. Assertion :Inbreeding produces pureline. Reason: It causes homozygosity.

Question: Regarding assertion and reason, choose the correct option.
Assertion[A]: Excessive inbreeding leads to inbreeding depression
Reason[R]: Increased homozygosity leads to loss of heterozygosity

in this kindly tell me reason is correct explanation of assertion or not?

Q. Regarding assertion and reason, choose the correct option.
Assertion[A]: Excessive inbreeding leads to inbreeding depression
Reason[R]: Increased homozygosity leads to loss of heterozygosity

Q. State the following statements as True (T) or False (F).

I - Continuous inbreeding eventually leads to inbreeding depression.
II - Inbreeding always increases productivity.
III - Inbreeding helps to accumulate superior genes in a population.

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