Question

The number of linkage groups in man are

A) 46

B) 23

C) 22

D) 24

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Answer

The correct answer is B) 23.

Linkage refers to the phenomenon where genes located close to each other on the same chromosome are inherited together across generations. Each chromosome represents a linkage group. The number of linkage groups in any organism is typically equivalent to the haploid number of its chromosomes. Humans have 23 haploid chromosomes, so they therefore have 23 linkage groups.


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