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STD 12 - 5. molecular basis of inheritance — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 5. molecular basis of inheritance1 Mark
MCQ
Each individual has a unique $DNA$ fingerprint as individuals differ in
  • A
    number of minisatellites on chromosome.
  • B
    location of minisatellites on chromosome.
  • C
    size of minisatellites on chromosome.
  • ✓
    All of the above
✓

Answer

Correct option: D.
All of the above
d
Minisatellites are inherently unstable and susceptible to mutation at a higher rate than other sequences of $DNA$. Thus, due to difference in number, location and size of minisatellites on chromosomes, each individual has a unique $DNA$ fingerprint.

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