Question

define point mutation with example

Answer 1

Most proteins can withstand one or two point mutations before their function changes. ... For example, sickle-cell disease is caused by a single point mutation in the beta-hemoglobin gene that converts a GAG codon into GUG, which encodes the amino acid valine rather than glutamic acid.

Answer 2

Here is your answer

A point mutation is a genetic mutuation where a single nucleotide base is changed , inserted and deleted form a sequence of DNA or RNA .

Ex. synonymous mutuation or frameshift mutuation.

Hope it helps.