The Human Genome Codes for a Form of Myosin That

The human genome codes for a form of myosin that is approximately one-third the size of typical human myosin. Select all likely events that could have created this form of myosin.

A) a frameshift mutation in the coding region of the gene
B) a point mutation in the coding sequence of the gene
C) a point mutation in the noncoding sequence of the gene
D) alternative splicing with no change in base sequence
E) alternative splicing with a change in base sequence