Which of the following is true regarding the presence of a multigene family?

(1 point)

O Multigene families are produced by any sort of chromosomal rearrangement.

O Multigene families are produced whenever a transposon is inserted into a gene.

Multigene families are produced by all types of mutation, including single base substitutions.

Multigene families are produced by some mutations that involve duplication.

The correct answer is: Multigene families are produced by some mutations that involve duplication.