Moles occur when cells in the skin grow in a cluster instead of being spread throughout the skin. These cells are called melanocytes, and they make the pigment that gives skin its natural color. Moles may darken after exposure to the sun, during the teen years, and during pregnancy.
A pedigree chart is used to show your family tree of traits. An example is if a diagram shows your mom who had brown hair and your dad has red hair and then it shows all of th â¦ e children they had and shows what color hair they had.
Free pedigree chart if needed. These genealogy charts can display the family history of your direct lines, the family coat of arms and crest, as well as the surname origin of your last name. The meaning and brake down of the surname is still done as in the other products listed above.