Process by which body (somatic) cells are produced is called Mitosis
scientists can test differences of the area with pigmentation by observing which is lighter and which is darker however they use microscope to look the difference of the pigmentation over the cells.
Incomplete dominance, it r<span>efers to a genetic situation in which one allele does not completely </span>dominate<span> another allele, and therefore results in a new phenotype.</span>