Pedigrees

What do we use pedigrees for?

• To look at families
• To make determinations about the offspring
• To track traits in families
• Nothing

In a pedigree, what shape represents a male?

• circle
• square
• triangle
• diamond

How many generations are shown in this pedigree?

• 1
• 2
• 3
• 4

What does an open circle represent?

• Not Affected Male
• Not Affected Female
• Affected Male
• Affected Female

What does a filled in square represent?

• Not affected Female
• Not affected Male
• Affected Male
• Affected Female

In the second generation-how many people are carriers of the trait?

• 2
• 3
• 5
• 6

Which individual in the first generation is a carrier?

• The male
• The female
• individual 1
• None of the above

How many kids did the mother and father from the first generation have?

• 2
• 4
• 5
• 6

This pedigree represents the inheritance of hemophilia in this family. How many of the females have the hemophilia trait?

• 8
• 5
• 2
• 3

If this pedigree shows a recessive disorder, what MUST the genotype of individual 4 be?

• HH

• Hh

• hh