The diagram shows three types of mutations.

Which correctly identifies each type of mutation in the diagram?

A.

Letter Type of Mutation
W deletion
X insertion
Y substitution

B.

Letter Type of Mutation
W insertion
X substitution
Y deletion

C.

Letter Type of Mutation
W substitution
X deletion
Y insertion

D.

Letter Type of Mutation
W insertion
X deletion
Y substitution
a
A
b
B
c
C
d
D