Punnett square practice

What are the possible phenotype(s) 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

What is the yellow seed genotype?

• aa
• Aa
• AA
• AA or Aa

What genotype would go in box 2?

• BB
• Bb
• bb

What is the probability of heterozygous offspring?

• 0%

• 100%

• 50%

• 25%

What are the possible genotypes of the offspring? (A-Brown hair; a-blond hair)

• AA, Aa, aa

• AA only

• Aa only

• aa only

What chance does the offspring have of showing a recessive trait?

• 50%
• 75%
• 100%
• 25%

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• all of the choices result in yellow

What are the phenotype percentages of the offspring?

(A-Brown fur color; a-white fur color)

• 50 % Brown fur and 50% White fur

• 25 % Brown fur and 75% White fur

• 75 % Brown fur and 25% White fur

• 0% Brown fur and 100% White fur

What is the possibility of this offspring having the dominant trait?

• 50%

• 75%

• 25%

• 0%

What chance does the offspring have of showing a recessive trait?

• 50%
• 75%
• 100%
• 25%