Pedigrees

Objective #13

This is a pedigree that follows blue eyes which is a recessive trait. What is the genotype of the father (square) in generation 1?

• Aa

• AA

• aa

• A?

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Objective #13

This is a pedigree that follows blue eyes which is a recessive trait. What is the genotype of the mother (circle) in generation 1?

• Aa

• AA

• aa

• A?

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Objective #13

This is a pedigree that follows blue eyes which is a recessive trait. What is the phenotype of the mother (circle) in generation 1?

• Brown

• Blue

• 1 blue, 1 brown

Tags

NGSS.HS-LS3-1

Objective #13

This is a pedigree that follows blue eyes which is a recessive trait. What is the phenotype of the father (square) in generation 1?

• Brown

• Blue

• 1 blue, 1 brown

Tags

NGSS.HS-LS3-1

Objectives - #4, #5, & #13

This is a pedigree that follows blue eyes which is a recessive trait. If parents in generation 1 had another child, what would the chance be that the child would have blue eyes?

• 50% (2/4)

• 75% (3/4)

• 25% (1/4)

• 100% (4/4)

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In a pedigree, squares represent _______

• males

• females

In a pedigree, circles represent _____

• males

• females

In a pedigree, a person AFFECTED by a trait is

• shaded

• unshaded

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

Assuming a trait is AUTOSOMAL DOMINANT, what genotype would make a person UNAFFECTED?

• AA

• Aa

• aa

• X^AY

• X^aY

Tags

NGSS.HS-LS3-1