Pedigree practice

Which individual in the first generation is a carrier?

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

In the second generation-how many people have the disease or display the physical trait?

• 2
• 4
• 5
• 6

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

• 2
• 3
• 4
• 6

What does an open circle represent?

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

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.

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

• 2
• 3
• 5
• 6

What does a filled in square represent?

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

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

• 2
• 4
• 5
• 6

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