Q171 / 200 · NEET 2009 (Screening) · Zoology

There is no DNA in

  • A
    an enucleated ovum
  • Correct answer
    B
    mature RBCs
  • C
    a mature spermatozoan
  • D
    hair root

Solution

The chromatin material inside the nucleus is composed of DNA, some proteins and RNA. Infact it is DNA-protein complex basically. Thus, in an enucleated ovum, DNA will be absent. The mature RBCs, mature spermatozoan and root hair are nucleated, thus, contain DNA.

Hence, the correct answer is option: 'B'.

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