Multiple choice

The chromosome number in the diploid somatic cells in Pisum sativum is

  1. 12

  2. 14

  3. 16

  4. 18
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B Correct answer
Explanation

Pisum sativum (garden pea) has a diploid chromosome number of 2n=14, with n=7. This was Mendel's classic experimental organism for his inheritance studies. The haploid number is 7, so somatic cells contain 14 chromosomes arranged as 7 homologous pairs.

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