Pedigree

How many generations are shown in this pedigree?

• 1
• 2
• 3
• 4

Which individual in the first generation is a carrier?

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

In a pedigree, what shape represents a male?

• circle
• square
• triangle
• diamond

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

• dominant
• recessive

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

• 2
• 4
• 5
• 6

How many girls in this family express this recessive disorder?

• 4
• 5
• 6
• 7

Which individual in the first generation is a carrier?

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

Huntington's Disease is a dominant trait.
What is the correct genotype for individual I-2?

• HH
• Hh
• hh
• H_

Give the genotype for person III-3.

• GG
• Gg
• gg
• we cannot be 100% sure of the genotype

Objective #13

This is a pedigree that follows blue eyes which is a recessive trait. What is the genotype of the mother (circle) in generation 1?

• Aa

• AA

• aa

• A?