Punnett Square Practice Monohybrid

Which trait is dominant to the other? Green pod or the yellow pod? (Look at the picture closely.)

• green pod

• yellow pod

What percentage of the offspring will have green pods?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

The genotype of the offspring would be considered _________________________________.

• heterozygous

• homozygous dominant

• homozygous recessive

Tags

NGSS.MS-LS3-2

What is the percentage of yellow peas?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How does a Punnett square help in understanding Mendelian genetics?

• It predicts the exact number of offspring.

• It shows the possible genetic combinations and their probabilities.

• It determines the environmental impact on traits.

• It calculates the age of the offspring.

Tags

NGSS.HS-LS4-3

How can a Punnett square be used to predict the outcome of a genetic cross?

• By showing the possible genotypes of the offspring

• By determining the exact number of offspring

• By identifying the environmental factors affecting the offspring

• By calculating the age of the offspring

Tags

NGSS.HS-LS3-3

Which of the following alleles is homozygous recessive?

• Tt

• tt

• TT

• T

If a plant with genotype TT is crossed with a plant with genotype tt, what will be the phenotype of the offspring?

• All tall

• All short

• Half tall, half short

• Three tall, one short

What percentage of peas will be green?

• 25%

• 50%

• 75%

• 100%

Two heterozgyous tall pea plants are crossed. What is the expected phenotypic outcome for the offspring?

• 100% tall

• 50% tall, 50% short

• 75% tall, 25% short

• 100% short