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प्रश्न
Which of the following plays a very negligible role in evolution?
विकल्प
Mutation
Polyploidy
Acquired characters
Natural selection
MCQ
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उत्तर
Acquired characters
Explanation:
Acquired characters are changes that an organism gains during its lifetime due to environmental influences or usage/disuse of organs. These changes do not affect the germ cells and therefore cannot be passed on to the next generation. As a result, acquired characters play a negligible role in evolution, unlike mutations, polyploidy, and natural selection which are significant evolutionary factors.
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