A) \[\text{A}\,\text{+}\,\text{G}\,\text{=}\,\text{T}\,\text{+}\,\text{C}\]
B) \[\text{A}\,\,\text{=}\,\,\text{C}\]
C) \[G\,\,\text{=}\,\,T\]
D) \[\frac{\text{A+T}}{\text{G}\,\text{+}\,\text{C}}\text{=1}\]
Correct Answer: A
Solution :
According 10 Chargaff 1949 the ratio of four nucleotides varies from species to species and a specific DNA contains equal amount of particular purines and pyrimidines i.e., the amount of \[\text{A=T}\] and that of \[\text{G}\,\equiv C.\]
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