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Question

The four daughter cells derived from a single meiosis differ from each other due to
  1. Crossing over only
  2. Difference in chromosome number
  3. Independent assortment of chromosomes only
  4. Crossing over as well as independent assortment of chromosomes

A
Difference in chromosome number
B
Crossing over only
C
Independent assortment of chromosomes only
D
Crossing over as well as independent assortment of chromosomes
Solution
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Four haploid daughter cells which are formed as a result of meiosis will differ from each other. It happens because of crossing over where the characters undergo recombination. Independent assortment of characters into gametes during sexual reproduction also plays the significant role in producing genetic variation.

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