NEET2015Botany-Molecular Basis of Inheritance
NEET 2015 Botany DNA Structure MCQ Question
Type: MCQ-numerical-Hard-Class 12
In Sea Urchin DNA, which is double stranded 17% of the bases were shown to be cytosine. The percentages of the other three bases expected to be present in this DNA are
A
G 17%, A 16.5%, T 32.5%
B
G 17%, A 33%, T 33%
C
G 8.5%, A 50%, T 24.5%
D
G 34%, A 24.5%, T 24.5%
Correct Answer
Option B
Detailed Explanation
Since cytosine pairs with guanine, they must be equal in percentage. Adenine and thymine together make up the rest.
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