Answer the following question given this paragraph: 

A mutation may have no effect. However, sometimes a mutation can cause a protein to be made incorrectly. A defect in the protein can affect how well the protein works, or whether it works at all. Usually the loss of a protein function is detrimental to the organism.


Q: What phenomenon can cause a protein in an organism to be made incorrectly?

 Choices:

- evolution

- heredity

- allele

- mutation

A:
mutation
