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Question

Root cells of wheat have 2n=42 chromosomes. Which of the following is the basic chromosome number of wheat?

A
7
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B
14
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C
21
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D
42
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Solution

The correct option is B 21
  • Root cells of wheat are diploid having 2n = 42 chromosomes.
  • Basic chromosome number of any organism is it's haploid number of chromosomes. Hence in case of wheat, basic chromosome number is 21 (n).
  • So, the correct answer is '21'

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