Pedigrees Practice

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

What does a horizontal line between a square and a circle mean?

• They are siblings
• They are cousins
• They are married ("together")
• They are the children

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

What does A indicate?

• A male that has the trait.

• A female that has the trait.

• A female that does not have the trait.

• A male that does not have the trait.

What does B indicate?

• line that indicates someone likes each other

• line that indicates a marriage

• line that indicates a relationship of parents and children

• A male that does not have the trait.