Punnett Squares - Get Started 2/2/22

What is the probability of heterozygous offspring?

• 25%
• 50%
• 0%
• 100%

What allele combination should go in the missing box?

• AA
• Aa
• aa
• none of these

Which choice best represents the genotype of this cross?

• 1 Yy: 2 yy: 0 YY
• 2 Yy: 2 yy: 0 YY
• 3 Yy: 1 yy: 0 YY
• 1 Yy: 3 yy: 0 YY

What is the phenotype of the offspring? (A-Brown hair; a-blond hair) 

• 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 

Fill in the Yellow Box

• AA

• Aa

• aa

Fill in the Yellow Box

• Bb

• BB

• bb

How chance the offspring born from this cross will have a homozygous dominant genotype?

• 25%

• 50%

• 75%

• 100%

The punnett square is used to tell the color of a frogs skin. "G" means green skin and "g" means brown skin. What is the chance the baby frogs will have brown skin?

• 0%

• 25%

• 50%

• 100%

What is the mother's genotype?

• DD

• Dd

• dd

What is the likelihood that the offspring will be green (G)?

• 25%

• 50%

• 75%

• 100%