Using Punnett Squares

Gregor Mendel is often called ....

• The father of heredity.

• The father of genetics.

• The king of peas

• The father of punnett squares.

Tags

NGSS.HS-LS3-2

If a homozygous recessive woman marries a heterozygous dimpled man. What is the chance of having a baby with dimples? (You must do a Punnett Square to find out BEFORE your select...you have time!)

• 0%

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

 

Two parents have a heterozygous genotype for eye color. What is the chance of having a blue (recessive) eyed baby? (Do a Punnett Square...you have time!)

• 0%

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

A homozygous curly (dominate) headed woman marries a man who is homozygous recessive. What are the chances of a curly hair baby?

• 0%

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

A homozygous dominant freckled woman marries a heterozygous man with freckles. What are the chances of a freckled baby?

• 0%

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

What is the correctly written Genotypic Ratio?

• 3 RR: 3 Rr: 0 rr

• 2 RR: 2 Rr: 0 rr

• 4 Red: 0 white

• 0 rr: 2 Rr: 2 RR

• 0 white: 4 Red

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the correctly written Genotypic Ratio?

• 1 RR: 2 Rr: 0 rr

• 3 Red: 1 white

• 1 RR: 2 Rr: 1 rr

• 5 Red: 1 White

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the correctly written Genotypic Ratio?

• 3 Rr: 3rr

• 3 Red: 3 White

• 2 Red: 2 White

• 0 RR: 2 Rr: 2 rr

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the correctly written Phenotypic Ratio?

• 3 RR: 3 Rr: 0 rr

• 2 RR: 2 Rr: 0 rr

• 2 Red: 2 white

• 0 rr: 2 Rr: 2 RR

• 4 Red: 0 white

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the correctly written Phenotypic Ratio?

• 1 RR: 2 Rr: 0 rr

• 3 Red: 1 white

• 1 RR: 2 Rr: 1 rr

• 5 Red: 1 White

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2