In recent years,DNA sequences (nucleotid...

In recent years,DNA sequences (nucleotide sequence) of maternal DNA and Y-chromosome were considered for the study of human evolution ,because :

A

They are small, and therefore, easy to study

B

They are uniparental in orgin and fo not take part in recombination

C

Their sturcture is known in great detail

D

They can be studies from the samples of fossil remains

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The correct Answer is:

B

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