Punnett Square

Punnett Square Review

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Multiple Choice

Having dimples is a dominant trait (D). Not having dimples is recessive (d). Which of the following is a cross between a parent that doesn't have dimples and a parent that is homozygous dominant for dimples?

• Dd x Dd

• dd x DD

• dd x Dd

• DD x Dd

Multiple Choice

For some cattle species, having black hair (B) is dominant to red hair (b). Which of the following is a cross between two heterozygous parents?

• BB x bb

• BB x BB

• Bb x Bb

• Bb x bb

Multiple Select

Which of the Punnett Squares shows the cross for MM x mm? (Check all that apply.)

Multiple Choice

According to this Punnett Square, what is the percent chance of the offspring having the genotype Mm?

• 0%

• 25%

• 50%

• 75%

• 100%

Multiple Choice

According to this Punnett Square, what is the percent chance of the offspring having the genotype MM?

• 0%

• 25%

• 50%

• 75%

• 100%

Multiple Choice

According to the Punnett Square, what is the percent chance of the offspring being homozygous dominant?

• 0%

• 25%

• 50%

• 75%

• 100%

Multiple Choice

According to the Punnett Square, what is the percent chance of the offspring being heterozygous?

• 0%

• 25%

• 50%

• 75%

• 100%

Multiple Choice

According to the Punnett Square, what is the percent chance of the offspring being homozygous recessive?

• 0%

• 25%

• 50%

• 75%

• 100%