Pedigree Analysis Quiz

What is a pedigree used for?

• Tracking educational achievements

• Tracking family relationships

• Tracking inherited traits across generations

• Tracking financial inheritance

In a pedigree, what does a circle represent?

• Parent

• Male

• Female

• Child

What do shaded shapes in a pedigree indicate?

• Individuals who are married

• Individuals who have a tracked trait

• Individuals who are adopted

• Individuals who are carriers

What type of trait is being tracked in the example pedigree?

• Autosomal recessive

• Dominant

• Recessive

• Autosomal dominant

What is the genotype of an individual with attached earlobes?

• Ee

• EE

• eE

• ee

If a father has the genotype Ee, what can we infer about his phenotype?

• He has free earlobes

• He has attached earlobes

• He is a carrier of the attached earlobe trait

• Both B and C

How many siblings does the father have in the extended family pedigree?

• Four

• One

• Two

• Three

What is the phenotype of the paternal grandfather in the extended family pedigree?

• Free earlobes

• Unknown

• Attached earlobes

• Carrier of attached earlobes

In a sex-linked pedigree, what chromosomes do females have?

• XZ

• XX

• YY

• XY

In a sex-linked pedigree, what chromosomes do males have?

• XY

• XX

• YY

• XZ