Punnett Squares Practice

B = brown fur  b = white fur
In the Punnett square, what is the probability for white fur? 

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

What are the possible genotypes for this cross?
(Click the picture to see it without the text)

• TT = 25% Tt= 50% tt=25%

• all tall

• TT= 75% tt = 25%

• Tt = 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

What genotype would go in box 3?

• BB

• Bb

• bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What genotype would go in box 1?

• BB

• Bb

• bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Two parents have a heterozygous genotype for eye color. What is the chance of having a blue eye baby?

• 0%

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A heterozygous woman marries a homozygous recessive man. 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

Each one of the boxes on the Punnett Square represents what probability of an offsprings' genotype?

• 25%

• 1%

• 10%

• 0%

Tags

NGSS.HS-LS3-3

In the Punnett square, what is the probability for white fur?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS4-3

A Punnett square is used to _______.

• predict the genotypic and phenotypic probabilities of possible offspring

• determine if a trait runs in a family

• track inherited traits through many generations

• identify organisms that are carriers of a specific trait

Tags

NGSS.HS-LS3-3

NGSS.HS-LS4-3

Fill in the Yellow Box

• AA

• Aa

• aa

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2