मराठी

Assertion (A): Inbreeding depression or loss of vigour occurs when inbreeding is continued for many generations. Reason (R): Autopolyploidy can be done to overcome the harmful effects of inbreeding

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प्रश्न

Assertion (A): Inbreeding depression or loss of vigour occurs when inbreeding is continued for many generations.

Reason (R): Autopolyploidy can be done to overcome the harmful effects of inbreeding depression.

पर्याय

  • Both assertion (A) and reason (R) are true, and reason is the correct explanation of assertion.

  • Both assertion (A) and reason (R) are true, but reason is not the correct explanation of assertion.

  • Assertion (A) is true but reason (R) is false.

  • Both assertion (A) and reason (R) are false.

MCQ
विधान आणि तर्क
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उत्तर

Assertion (A) is true but reason (R) is false.

Explanation:

Prolonged inbreeding increases homozygosity and may expose harmful recessive alleles, causing loss of vigour. Autopolyploidy is not a method for overcoming the harmful effects of inbreeding depression.

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पाठ 13: Plant Breeding to Enhance Food Production - EXERCISES [पृष्ठ ७२६]

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सरिता अग्रवाल Biology [English] Class 12 ISC
पाठ 13 Plant Breeding to Enhance Food Production
EXERCISES | Q VI. 3. | पृष्ठ ७२६
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