Principle Of Inheritance And Variation Question 17
Question: In his experiments on the chemistry of DNA, Chargaff estimated the base composition of human sperms and found that Adenine constituted 31% and Guanine 19%. The quantity of Cytosine in the DNA of human somatic cell is likely to be [BHU 1991]
Options:
A) 31%
B) 19%
C) 38%
D) 68%
Show Answer
Answer:
Correct Answer: B
Solution:
19%; because ‘G’ is always attached with ‘C’ (G ºC), thus percentage of C will always be equal to G.
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