6th 6 weeks

T = tall and t = short

What genotype belongs in the missing box of the Punnett square?

• tt

• Tt

• Bb

• TT

What allele combination should go in the missing box of the Punnett square?

• AA

• Aa

• aa

• none of these

A = Brown hair and a = blond hair

What are the phenotype percentages of the offspring?

• 50% Brown hair and 50% Blond hair

• 25% Brown hair and 75% Blond hair

• 75% Brown hair and 25% Blond hair

• 0% Brown hair and 100% Blond hair

What percent of offspring will have the homozygous recessive genotype?

• 25%

• 50%

• 75%

• 100%

Which of the following represents a heterozygous genotype?

• Tt

• BB

• ff

• Curly

Which of the following represents a homozygous dominant genotype?

• Tt

• BB

• Ff

• gg

How many boxes in the Punnet square would have the genotype BB?

• 1

• 2

• 4

• 0

Based on the information in the Punnett square, what is the dominant trait?

• yellow pea seeds

• green pea seeds

• there is no dominant trait

• Jolly green giant

Which of the following represents a homozygous recessive genotype?

• Tt

• BB

• Ff

• gg

What genotype percentages would result from the cross shown in the Punnett square?

• TT = 25%, Tt= 50%, tt=25%

• 100% tall

• TT= 75%, tt = 25%

• Tt = 100%