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STD 12 - 5. molecular basis of inheritance — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 5. molecular basis of inheritance4 Marks
MCQ
$DNA$ fingerprinting using Variable Number Tandem Repeats $(VNTRs)$ is based on the observation that
  • A
    every individual has unique alleles at each $VNTR$ locus.
  • B
    the $DNA$ of $VNTR$ loci is more stable than that of loci which code for proteins.
  • C
    $VNTR$ sequences show little variability.
  • ✓
    $VNTR$ loci are highly polymorphic.
✓

Answer

Correct option: D.
$VNTR$ loci are highly polymorphic.
d
The technique of $DNA$ fingerprinting was initially developed by Alec Jeffrey's. He used a satellite $DNA$ as probe that shows high degree of polymorphisms. $DNA$ fingerprinting using variable number tandem repeats is based on the observation that $VNTR$ loci are highly polymorphic.

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