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.
Our Q&As help puppy buyers understand what âpedigreeâ stands for, and more importantly, what it doesnât. What is a pedigree dog? A pedigree dog is the offspring of two dogs of the same breed, which is eligible for registration with a recognised club or society that maintain a register for dogs of that description. There are a number of pedigree dog registration schemes, of which the Kennel Club is the most well known.