Pedigree Chart Analysis Quiz

What is the primary purpose of a pedigree chart?

• To track the financial history of a family

• To illustrate how phenotypes change across generations

• To display geographical data of a family

• To analyze the dietary habits of ancestors

Which of the following is an example of an autosomal dominant disorder?

• Polydactyly

• Hyptosis

• Hemophilia

• Albinism

In an autosomal recessive trait, when is the disease expressed in the offspring?

• When both parents are normal

• When one parent is affected

• When both parents are carriers

• When one parent is a carrier

What is required for a disease to manifest in X-linked dominant traits?

• A single copy of the mutated X gene

• Both X chromosomes must be mutated

• Both parents must be affected

• The father must be a carrier

Which statement is true about Y chromosome-linked traits?

• Only males are affected

• The trait can skip generations

• Only females are affected

• Both males and females are equally affected