If a family history of intellectual disabilities, psychological disorders, physical defects, or inherited diseases exists, a genetic counselor prepares a __________, which identifies affected relatives in a couple's family tree.

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A pedigree is a diagram that shows the genetic history of a family. It identifies affected individuals and the pattern of inheritance of a trait or disorder. Genetic counselors use pedigrees to assess the risk of an individual or couple passing on a genetic condition to their children. Maternal blood analysis is a test done during pregnancy to screen for certain genetic disorders in a fetus. Preimplantation genetic diagnosis is a technique used during in vitro fertilization to screen embryos for genetic abnormalities before they are implanted in the uterus. Genetic markers are genetic variations that can be used to track inheritance of a gene or trait in a family or population.

If a Family History of Intellectual Disabilities, Psychological Disorders, Physical