Question

. (3 points) Provide definitions for each of the following and indicate if the effects are likely to be harmful or beneficial. a. Nonsense Mutation: b. Neutral Mutation: c. Induced Mutation:

Answer 1

A) Nonsense mutation: It is defined as the mutation in which sense codon is mutated into the termination codons.

There is found stop codon formation between the codon sequence. This leads to short polypeptide formation as comapred to normal polypeptide. That's why this mutation is harmful.

B) Neutral mutation: It is defined as the mutation in which the amino acid in a polypeptide chain is not altered by the mutation.

This mutation is neither beneficial nor harmful in nature. Because amino acid is same as found in wild type.

C) Induced mutation: The mutation which are induced by means of chemicals, X-rays and UV rays etc.

This mutation can be beneficial as well as harmful.

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