Question

How do mutations lead to variations?​

Answer 1

by producing changes in the genetic code

Step-by-step explanation:

PLATO

Answer 2

A mutation is a change in a genetic sequence. Mutations include changes as small as the substitution of a single DNA building block, or nucleotide base, with another nucleotide base. ... Mutations can introduce new alleles into a population of organisms and increase the population's genetic variation.