Punnett Square Review

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

• 0%
• 25%
• 50%
• 75%

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

• BB
• Bb
• bb
• Tt

What is the dominant trait?

• yellow pea seeds
• green pea seeds
• there is no dominant seed
• Jolly green giant

What genotype would go in box 3?

• BB
• Bb
• bb

What genotype would go in box 1?

• BB
• Bb
• bb

Dominant alleles (genes) are represented by a:

• male gene

• lowercase letter

• recessive trait

• capital letter

EACH parent provided ______ of your genes.

• 25%

• 50%

• 75%

• 100%

Which of the following is an example of a homozygous dominant genotype?

• Rr

• rr

• NN

• Nr

Which of the following is an example of a homozygous recessive genotype?

• Rr

• rr

• NN

• Nr

Which TWO of the following are examples of heterozygous genotypes?

• Rr

• rr

• NN

• Nr