Genetics (Pedigree)

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

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

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

NGSS.HS-LS3-2

Objective #13

This is a pedigree that follows blue eyes which is a recessive trait. What are the genotypes of the parents (1&2) in generation 2?

• Aa, AA

• aa, aa

• AA, AA

• Aa, Aa

Tags

NGSS.HS-LS3-1

Objective #13

This is a pedigree that follows blue eyes which is a recessive trait. What are the genotypes of the parents (4&5) in generation 2?

• Aa, AA

• aa, aa

• AA, AA

• Aa, Aa

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 child 1 in generation 3?

• AA

• aa

• Aa

• A?

Tags

NGSS.HS-LS3-1

Objective #13

On a pedigree how do we know if they have the trait?

• Not shaded

• Shaded

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-LS3-3