Pedigrees

How are individuals III-2 and II-4 related?

• Cousins
• Dad and Daughter
• Uncle and Niece
• Grandpa and Granddaughter

Tags

NGSS.HS-LS3-1

In a pedigree, what shape represents a male?

• circle
• square
• triangle
• diamond

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

If this pedigree shows a recessive disorder, what MUST the genotype of individual 4 be?

• HH

• Hh

• hh

Tags

NGSS.HS-LS3-1

There are no carriers for Huntington's Disease- you either have it or you don't. Is Huntington's disease caused by a dominant or recessive trait?

• Dominant
• Recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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.

Tags

NGSS.HS-LS3-1

How many alleles does a child get from each parent for a trait?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1

Dominant alleles are represented by a ---

• capital letter.

• lowercase letter.