Molecular Basis of Inheritance Question 49

49. What will be the sequence of mRNA produced by the following stretch of DNA? [2019, Odisa] 3’ATGCATGCATGCATG 5 ’ TEMPLATE STRAND 5’ TACGTACGTACGTAC 3’ CODING STRAND

(a) 3’ AUGCAUGCAUGCAUG 3'

(b) 3’ AUGCAUGCAUGCAUG 5'

(c) 5’ UACGUACGUACGUAC 3'

(d) 3’ UACGUACGUACGUAC 5'

Show Answer

Answer : c

Hints & Solution

(c) 5’ TACGTACGTACGTAC 3’ (Coding strand) 5’ UACGUACGUACGUAC 3’ (m-RNA) In $m$-RNA at the place of thymine in coding strand uracil remain present.