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There is no DNA in:

  • Option 1)

    mature RBC_{s}

  • Option 2)

    a mature spermatozoan

  • Option 3)

    hair root

  • Option 4)

    an enucleated ovum

 

Answers (2)

best_answer

As we learnt in

RBCs -

RBCs are formed in the red bone marrow in the adults. RBCs are devoid of nucleus in most of the mammals and are biconcave in shape.

- wherein

They have a red coloured, iron containing complex protein called haemoglobin, hence the colour and name of these cells. A healthy individual has 12-16 gms of haemoglobin in every 100 ml of blood.

 

 Mature RBCs are devoid of nucleus and DNA is absent.


Option 1)

mature RBC_{s}

Correct

Option 2)

a mature spermatozoan

Incorrect

Option 3)

hair root

Incorrect

Option 4)

an enucleated ovum

Incorrect

Posted by

Aadil

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3

Posted by

Sher ali

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