Punnett Squares

What you see, or the physical appearance.

• Genotype
• Phenotype
• Homozygous
• Heterozygous

Tags

NGSS.HS-LS3-1

In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?

• Tall = T
  Short = S
• Tall = T
  Short = t
• Tall = t
  Short = T
• Tall = TT
  Short = tt

Tags

NGSS.HS-LS3-1

What are the parents' genotypes?

• Homozygous for brown eyes
• Heterozygous for brown eyes
• Homozygous for blue eyes
• Heterozygous for blue eyes

Tags

NGSS.HS-LS3-1

What is the phenotype for the recessive trait?

• brown eyes
• green eyes
• blue eyes

Tags

NGSS.HS-LS3-1

What is the yellow seed genotype?

• aa
• Aa
• AA
• AA or Aa

Tags

NGSS.HS-LS3-1

What genotype would go in box 2?

• BB
• Bb
• bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What genotype would go in box 3?

• BB
• Bb
• bb

Tags

NGSS.HS-LS3-1

What genotype would go in box 1?

• BB
• Bb
• bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

T - tall and t = short

In the punnett square below, what belongs in the missing square

• tt

• Tt

• Bb

• TT

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

What are the expected phenotypes 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

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2