A scientist studied the effect of exposing DNA to various wavelengths of ultraviolet light and determined the number of copying errors made after exposure. The graph shows the scientist experimental results.
DNA Replication Errors
High
DNA Copying Errors
Low
0 200 250 300 350
Ultraviolet Wavelength (nm)
At which of these ultraviolet wavelengths would a mutation in a skin cell most likely occur?

A.225 nm
B.250 nm
C.275 nm
D.300 nm