A polypeptide has the following amino acid sequence  Met-Ser-Pro-Arg-Leu-Glu-Gly
Channel: Doubtnut
Date: 03/05/2020

A polypeptide has the following amino acid sequence  Met-Ser-Pro-Arg-Leu-Glu-Gly  In a mutant the amino acid sequence of this polypeptide was found to be  Met-Ser-Ser-Arg-Leu-Glu-Gly  What is the type of mutation that occurred in the reading frame of its DNA?