Punnett Square Practice Review

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

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In a certain species of plant, the color purple (P) is dominant to the color white (p).

According to the Punnett Square, what is the probability of an offspring being purple?

• 25%

• 0%

• 100%

• 50%

What is the yellow seed genotype?

• aa
• Aa
• AA
• AA or Aa

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What genotype would go in box 2?

• BB
• Bb
• bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the probability of heterozygous offspring?

• 0%

• 100%

• 50%

• 25%

Tags

NGSS.HS-LS3-3

What allele combination should go in the missing box?

• AA
• Aa
• aa
• none of these

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following genotypes are purebred?

• Pf
• Pp
• PP
• pP

Which of the following is an example of phenotype?

• bb
• blue eyes

If you are purebred dominant for a trait, your genotype would be...

• Tt
• TT
• tt
• tall

Which of these is homozygous recessive?

• Rr
• rR
• RR
• rr