Class 12 NEET Biology Molecular Basis of Inheritance Questions Part 2

According to the Chargaff's rule, the DNA should have an equal ratio of Purine (Adenine & Guanine) and Pyrimidine (Thymine & Cytosine ).
It means the number of Adenine is equal to Thymine and the number of Guanine is equal to Cytosine molecules.