Pedigrees

What does a filled in square represent?

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

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

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

NGSS.HS-LS3-2

What does an open circle represent?

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

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

• 2
• 3
• 5
• 6

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many females are in this pedigree?

• 3
• 4
• 6
• 7

This is a pedigree that traces blue eyes, which is a recessive trait. What is the phenotype of the mother in generation 1?

• Brown eyes

• Blue eyes

• Green eyes

• bb

Tags

NGSS.HS-LS3-1

If this pedigree is tracing a recessive disorder, what is the genotype of individual II-3?

• HH
• Hh
• hh
• heterozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This is a pedigree that traces freckles, which is a dominant trait. What is the genotype of the father in generation 1?

• Aa

• AA

• aa

• freckles

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2