<span>The lack of melanin tends to correlate with a lighter skin color. However, it also correlates with a higher susceptibility to receiving a sunburn. The more often a person burns, the more likely it is that a person will be susceptible to skin cancers later on in life.</span>
All frameshift mutations are equal
Most color pigmentation goes towards hair and not much is left for skin.
A. Skeletal and muscular
the other three don’t have to do with this type of internal movement though as the abdominal region and internal organs don’t have to do with this, A is the only possible answer