Q.

If on a template strand of DNA which has information for the formation of a protein, the sequence of bases from 3ʹ AGA 5ʹ is changed to 3ʹ AAA 5ʹ due to mutation. This brings about a change in the amino acid P to amino acid Q. P and Q are respectively 

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a

Serine and Phenyl Alanine

b

Argenine and Lysine 

c

Serine to Lysine 

d

Argenine to Phenyl Alanine

answer is A.

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Detailed Solution

The codon on mRNA would be UCU for Serine is changed to codon on mRNA to UUU for Phenyl Alanine.

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