Punnett Squares Worksheet

Punnett Squares Assignment

By Marissa Capobianco

Complete the Punnett Square on the next slide on your paper!

​1

2

3

4

Dominant Alleles are PURPLE! ​

Recessive Alleles are WHITE!

Fill in the Blanks

What GENOTYPE should be in box 2?

Open Ended

If the organism has even ONE dominant allele, what with the phenotype show? (this will not be a letter combination, rather what will it actually look like?)

Multiple Choice

From the punnet square you completed on the first slide, what will the genotype of all offspring be?

• AA

• aa

• Aa

Multiple Choice

From the punnet square you completed on the first slide, what will the phenotype of all offspring be? (Remember, dominate is purple, and recessive is white)

• All purple

• All white

• 1/2 purple, 1/2 white

• All pink

Complete the Punnett Square on the next slide on your paper!

​1

2

3

4

​

​

​

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Multiple Choice

How many flowers in the 2nd generation were purple (dominate alleles?)

• 1

• 2

• 3

• 4

Multiple Choice

If 3 out of 4 pea plants were purple, what percentage of the flowers were purple?

• 25%

• 50%

• 75%

• 100%

Complete the chart on the next slide on your paper!

​1.

​2.

​3.

Fill in the Blanks

What is the correct answer for #1.

Fill in the Blanks

What is the correct answer for #2.

Fill in the Blanks

What is the correct answer for #3.

Multiple Choice

Red Flowers (R) are dominate to white flowers (r). According to the chart, Parent A has what color flowers?

• Red

• White

• Pink

Multiple Choice

Red Flowers (R) are dominate to white flowers (r). According to the chart, Parent B has what color flowers?

• Red

• White

• Pink

Complete the Punnett Square on the next slide on your paper!

​

Create a Punnett Square using parent A and parent B. ​

Multiple Choice

Can the plants from the Punnett Square you just created produce white flowers? (rr)

• Yes

• No

Multiple Choice

The probability that plant parent A and B will create red flowers is

• 25%

• 50%

• 75%

• 100%redededredppun