AIPMT PRELIMS2011Botany-Molecular Basis of Inheritance
AIPMT PRELIMS 2011 Botany DNA Structure MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it? 5’ ——— GAATTC ——— 3’ 3’ ——— CTTAAG ——— 5’
A
Palindromic sequence of base pairs
B
Replication completed
C
Deletion mutation
D
Start codon at the 5’ end
Correct Answer
Option A
Detailed Explanation
5’ — GAATTC — 3’ and 3’ — CTTAAG — 5’ is the palindromic sequence, recognised by EcoRI.
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