Multiple choice

Which of the following differences form(s) the basis of DNA fingerprinting?

  1. Difference in pattern of genes between individuals

  2. Difference in junk DNA pattern between individuals

  3. Difference in order of genes between individuals

  4. All of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Junk DNA means non-coding DNA, which is present in the satellites. No two individuals have the same pattern of tandem repeats, i.e. junk DNA, thus it forms the basis of DNA fingerprinting.

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