Pedigrees

What do we use pedigrees for?

• To look at families
• To make determinations about the offspring
• To track traits in families
• Nothing

In a pedigree, what shape represents a male?

• circle
• square
• triangle
• diamond

What does an open circle represent?

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

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

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-LS3-2

How many individuals are there in the 3rd generation?

• 2
• 3
• 4
• 6

Tags

NGSS.HS-LS3-1

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

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

Tags

NGSS.HS-LS3-1

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

• 2
• 4
• 5
• 6

Tags

NGSS.HS-LS3-1

This pedigree represents the inheritance of hemophilia in this family. How many of the females have the hemophilia trait?

• 8
• 5
• 2
• 3

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Assuming a trait is AUTOSOMAL DOMINANT, what genotypes could make a person AFFECTED?

• AA

• Aa

• aa

• X^AY

• X^aY

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2