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Q.

There is no DNA

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a

Mature RBCs

b

An enucleated ovum

c

Hair root

d

A mature spermatozoan

answer is A.

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Detailed Solution

In mammals, the mature RBCs are biconcave disc shaped cells that lack nuclei, ribosomes and other cytoplasmic organelles such as mitochondria. Thus, they neither have nuclear DNA nor mitochondrial DNA.

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