Question

meaning of genetic mutation​

Answer 1

In biology, a mutation is the permanent alteration of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elements.

Answer 2

sometimes, any nucleotide of the gene change it's position that causes a minor change which is nothing but Mutation... some mutations may be minor but some MA be considerable.. Ex sickle cell anemia.... it is the one of the proof for Darwin's theory of natural selection..... this is the answer of your asked question