Punnett Square Practice

T - tall and t = short

In the punnett square below, what belongs in the missing square

• tt

• Tt

• Bb

• TT

G = green, g = yellow

The genotype for a yellow plant is...

• GG

• Gg

• gg

• all of the choices result in yellow

Tags

NGSS.MS-LS3-2

B = brown fur b = white fur

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

• 0%

• 25%

• 50%

• 75%

In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?

• 0%

• 25%

• 50%

• 75%

Which of the following alleles is homozygous (purebred) recessive?

• Tt

• tt

• TT

• t

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

• 0 %

• 25%

• 50%

• 75%

How much of this Punnet is Heterozygous?

• 50%

• 25%

• 75%

• 0%

What is the probability of heterozygous offspring?

• 25%

• 50%

• 0%

• 100%

Tags

NGSS.HS-LS4-3

What allele combination should go in the missing box?

• AA

• Aa

• aa

• none of these

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Having dimples (D) is dominate to not having dimples (d). What percent of the offspring will have dimples if you cross two parents that are heterozygous?

• 25%

• 50%

• 75%

• 100%