Question

Some mutations lead to new versions of proteins that help organisms adapt to changes in their environment and are essential for evolution to occur.  what are these mutations known as?

Answer 1

beneficial mutations

Some mutations have a positive effect on the organism in which they occur. They are called beneficial mutations. They lead to new versions of proteins that help organisms adapt to changes in their environment. Beneficial mutations are essential for evolution to occur. They increase an organisms changes of surviving or reproducing, so they are likely to become more common over time. There are several well-known examples of beneficial mutations. Here are just two:.