AP BIOLOGY

Detailed explanation-1: -Common symbols are used to draw a pedigree (family tree). A pedigree shows relationships between family members and patterns of inheritance for certain traits and diseases.

Detailed explanation-2: -A pedigree chart holds the “skeleton” information of a family tree-the names, places and vital events for direct line ancestors. The two most basic forms used by genealogists to record ancestral information are the pedigree chart and the family group sheet.

Detailed explanation-3: -A pedigree, as related to genetics, is a chart that diagrams the inheritance of a trait or health condition through generations of a family. The pedigree particularly shows the relationships among family members and, when the information is available, indicates which individuals have a trait(s) of interest.

Detailed explanation-4: -A genetic pedigree is a visual representation of several generations in a patient’s family. It shows how family members are related to each other and notes any medical conditions they may have along with any other pertinent information.