Biomolecules Ques 48

48. Chargaff’s rule states that in an organism

[2003]

(a) Amounts of all bases are equal

(b) Amount of adenine (A) is equal to that of thymine $(T)$ and the amount of guanine $(G)$ is equal to that of cytosine (C)

(c) Amount of adenine (A) is equal to that of guanine $(G)$ and the amount of thymine $(T)$ is equal to that of cytosine (C)

(d) Amount of adenine (A) is equal to that of cytosine (C) and the amount of thymine $(T)$ is equal to that of guanine $(G)$

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Answer:

Correct Answer: 48.(b)

Solution:

(b) $\frac{A}{T}=\frac{G}{C}=1$

Amount of $A=T$ and that of $G=C$.