Pedigree Chart Quiz

What does a filled circle represent in a pedigree chart?

• A male

• A female

• A person who expresses the trait

• A person who does not express the trait

How many generations are shown in the pedigree chart?

• 1

• 2

• 3

• 4

Assuming the chart above is tracing the dominant trait of "Freckles (F)" through the family. What is the most likely genotype of individual "A" for the trait ?

• FF

• Ff

• ff

• None of the following

What is Arlene's genotype for Falconi anemia?

• FF

• Ff

• ff

• F

What are Ann & Michael's genotypes?

• AA and Aa

• Aa and aa

• aa and AA

• Aa and AA

Most likely, Sandra's genotype is:

• AA

• Aa

• aa

• A_

Identify the three people from the chart (other than George) who are most likely carriers of Falconi anemia from the options below.

• Individuals 1, 2, and 3

• Individuals 4, 5, and 6

• Individuals 7, 8, and 9

• Individuals 10, 11, and 12

What is the phenotype of I-1?

• Affected

• Carrier

• Unaffected

• Unknown

What is the phenotype of I-3?

• Affected

• Carrier

• Unaffected

• Unknown

What is the genotype of Individual II-4?

• AA

• Aa

• aa

• A_