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Question

There is no DNA in :


A
Hair root
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B
An enucleated ovum
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C
Mature RBCs
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D
A mature spermatozoan
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Solution

The correct option is D Mature RBCs
Hair root or hair follicle is the living part of the hair that produces the shaft, follicle contains a group of cells that are nucleated. 
An enucleated ovum contains DNA in the mitochondria
A mature spermatozoan contains DNA in the head region
A mature RBC in all mammals except Camel does not contain nucleus at maturity. Hence they do not contain DNA.
So, the correct answer is 'Mature RBCs'

Biology

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