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Question 10004
NEET Biology · Hard

Cell Cycle and Cell Division: Crossing Over MCQ

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Crossing OverHardQuestion 10004

Question

Crossing over creates genetic variation because it:

  1. A
    Exchanges segments between non-sister chromatids of homologous chromosomes
    Correct
  2. B
    Splits centromeres in mitosis
  3. C
    Prevents synapsis
  4. D
    Deletes all alleles from chromosomes

Correct answer

Exchanges segments between non-sister chromatids of homologous chromosomes

Explanation

This exchange creates recombinant chromatids and new allele combinations.

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