Pedigree Chart Quiz

What is the purpose of a pedigree chart?

• To track specific traits in a family

• To determine the age of family members

• To record family recipes

• To organize family events

In a pedigree chart, what does a circle represent?

• Male

• Female

• Child

• Parent

What does a horizontal line between two shapes in a pedigree chart indicate?

• Siblings

• Partners

• Parents

• Offspring

What does shading in a pedigree chart represent?

• Age

• Inheritance of a specific trait

• Gender

• Number of children

What does the term "carrier" mean in the context of a pedigree chart?

• A person with no genetic disorder alleles

• A person with one genetic disorder allele but does not have the disorder

• A person with the genetic disorder

• A person who is unaffected by any traits

Who is III-2’s maternal grandfather?

• I-1

• I-2

• I-3

• I-4

What is the relationship between III-1 and II-3?

• II-3 is the father of III-1

• II-3 is the brother of III-1

• II-3 is the uncle of III-1

• II-3 is the cousin of III-1

How many people in the third generation have Polydactyly?

• One

• Two

• Three

• Four

Is Polydactyly a dominant or recessive disorder?

• Dominant

• Recessive

• Neither

• Both

What is the probability of II-1 and II-2 having a baby with Polydactyly?

• 25%

• 50%

• 75%

• 100%