Punnett Squares Review

In the punnett square shown, what must the genotype of the missing parent be?

• BB

• Bb

• bb

• Tt

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

Brown eyes are dominant over blue eyes. What is the probability that the offspring will have brown eyes in this cross?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Fill in the Yellow Box

• AA

• Aa

• aa

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Fill in the Yellow Box

• Bb

• BB

• bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The punnett square is used to tell the color of a frogs skin. "G" means green skin and "g" means brown skin. What is the chance the baby frogs will have brown skin?

• 0%

• 25%

• 50%

• 100%

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

In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being white?

• 25%

• 0%

• 100%

• 50%

Tags

NGSS.HS-LS3-3

What does a Punnett Square do?

• tell you exactly what your offspring will look like

• increase the chance you pass on recessive traits

• predict genotypes and phenotypes in offspring

• have no purpose but for Taylor to give us extra assignments

Tags

NGSS.HS-LS3-1

What genotype would go in box 2?

• BB

• Bb

• bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2