Q. If Adenine makes 30% of the DNA molecule, what will be the percentage of Thymine, Guanine and Cytosine in it?
A) T : 20; G : 20; C : 30
B) T : 30; G : 20; C : 20
C) T : 20; G : 25; C : 25
D) T : 20; G : 30; C : 20
Explanation
[Solution] By Chargaff's rule, A = T = 30%, so G + C = 40% and G = C = 20%. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.