NEET2023Botany-Molecular Basis of Inheritance

NEET 2023 Botany Transcription MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Which one of the following is the sequence on corresponding coding strand, if the sequence on mRNA formed is as follows 5’ AUCGAUCGAUCGAUCGAUCG AUCG AUCG 3’?

A

3’ UAGCUAGCUAGCUAGCUA GCUAGCUAGC 5’

B

5’ ATCGATCGATCGATCGATCG ATCGATCG 3’

C

3’ ATCGATCGATCGATCGATCG ATCGATCG 5’

D

5’ UAGCUAGCUAGCUAGCUA GCUAGC UAGC 3’

Correct Answer

Option B

Detailed Explanation

The coding strand of DNA is identical to the mRNA sequence except that thymine (T) replaces uracil (U). Thus, the sequence is 5’ ATCGATCGATCGATCGATCG ATCGATCG 3’.

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