Pedigrees Lesson

Multiple Choice

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.

Multiple Choice

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

Multiple Choice

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

• 2
• 4
• 5
• 6

Multiple Choice

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

• HH
• Hh
• hh
• H_

Multiple Choice

The trait this pedigree traces is recessive because it skips a generation and individuals can be carriers. What is the most likely genotype for person III-3?

• GG

• Gg

• gg

Multiple Select

Assuming a trait is X-LINKED RECESSIVE, what are the genotypes of an AFFECTED person?

• X^AY

• X^aY

• X^AX^A

• X^AX^a

• X^aX^a

Multiple Select

Assuming a trait is X-LINKED DOMINANT, what are the genotypes of an UNAFFECTED person?

• X^AY

• X^aY

• X^AX^A

• X^AX^a

• X^aX^a

Multiple Choice

Generation 2 individuals 5 and 6 are

• brother and sister.

• cousins.

• married.

• not related.

Multiple Choice

Does this pedigree show a dominant or recessive trait?

• Dominant
• Recessive

Multiple Choice

What is the genotype of II-6

• BB

• Bb

• bb

• B?