Question

Which of the following forms the basis of DNA Finger printing?

A. The relative proportions of purines and pyrimidines in DNA
B. Satellite DNA occurring as highly repeated short DNA segments  
C. The relative difference in the DNA occurrence in blood, skin and saliva
D. The relative amount of DNA in the ridges and grooves of the fingerprints
Answer :   Satellite DNA occurring as highly repeated short DNA segments

Releted MCQ Question on
Botany >> Molecular Basis of Inheritance

Releted Question 1

If the distance between two consecutive base pairs is $$0.34\,nm$$   and the total number of base pairs of a DNA double helix in a typical mammalian cell is $$6.6 \times {10^9}\,bp,$$   then the length of the DNA is approximately

A. 2.5 meters
B. 2.2 meters
C. 2.7 meters
D. 2.0 meters
Releted Question 2

Which of the following statements is correct?

A. Adenine pairs with thymine through one $$H$$-bond
B. Adenine pairs with thymine through three $$H$$-bonds
C. Adenine does not pair with thymine
D. Adenine pairs with thymine through two $$H$$-bonds
Releted Question 3

Which scientist experimentally proved that DNA is the sole genetic material in bacteriophage?

A. Jacob and Monod
B. Beadle and Tautum
C. Messelson and Stahl
D. Hershey and Chase
Releted Question 4

The final proof for DNA as the genetic material came from the experiments of:

A. Hershey and Chase
B. Avery, Mcleod and McCarty
C. Hargobind Khorana
D. Griffith

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Molecular Basis of Inheritance


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