Pedigree

What does a filled in square represent?

• Not affected Female

• Not affected Male

• Affected Male

• Affected Female

How many generations are shown in this pedigree?

• 1

• 2

• 3

• 4

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 do half colored symbols represent?

• The individual is a carrier (heterozygous).

• The individual expresses the trait.

• The individual has both recessive alleles.

• The individual has both dominant alleles.

What does an open circle represent?

• Not Affected Male

• Not Affected Female

• Affected Male

• Affected Female

Is this trait (the shaded individuals) dominant or recessive?

• dominant

• recessive

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

• 2

• 3

• 5

• 6

How many people in this whole pedigree have the trait/disease?

• 2

• 3

• 4

• 6

How many females are in this pedigree?

• 3

• 4

• 6

• 7