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Question

Assertion :Pairing and separation of pairs of chromosomes would lead to the segregation of a pair of factors they carried. Reason: Two alleles of a gene pair are located on similar sites on non-homologous chromosomes.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution

The correct option is C Assertion is correct but Reason is incorrect
  • It is true that chromosomes occur in pairs. These are called homologous chromosomes. They contain genes that are located on homologous sites.
  • During the process of meiosis, these chromosomes get segregated and get independently assorted.
  • But the alleles that are not located on nonhomologous chromosomes, they are present only on homologous chromosomes.
So, option C is the correct answer.


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