Multiple choice

Nuclear DNA is isolated and sheared into pieces of constant size. The DNA is denatured and then slowly renatured. The first sequence to renature would be

  1. higly repetitive in frequency

  2. localized in the nucleolus

  3. globin genes

  4. unique in frequency

  5. all the above
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A Correct answer
Explanation

Repetitive DNA will renature at low C0t values. The fast renaturation of the repetitive DNA is because of the avalability of numerous complementary sequences.

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