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Biology
If Adenine makes 30 % of the DNA molecule, what will be the percentage of Thymine, Guanine and Cytosine in it?
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Q. If Adenine makes $30 \%$ of the DNA molecule, what will be the percentage of Thymine, Guanine and Cytosine in it?
NEET
NEET 2021
Molecular Basis of Inheritance
A
$T : 20 ; G : 30 ; C : 20$
16%
B
$T : 20 ; G : 20 ; C : 30$
6%
C
$T : 30 ; G : 20 ; C : 20$
73%
D
$T : 20 ; G : 25 ; C : 25$
5%
Solution:
Thymine $-30 \%$, Guanine $-20 \%$, Cytosine $-20 \%$ (Chargaffs nitrogen base pairing rule which states that amount of Adenine is equal to Thymine and Guanine is equal to Cytosine.