Punnett Squares and Dominance and Codominance

Which of the following is Heterozygous?

• Two of the same recessive allele (aa)
• Two of the same dominant allele (AA)
• Two different alleles (Aa)
• Two different genes (AB)

Tags

NGSS.HS-LS3-2

Which of the following is Homozygous Recessive?

• AA
• Aa
• aa
• aA

Which of the following is Homozygous Dominant?

• RR
• rr
• Rr
• Rp

Brown eyes (B) are dominant to blue eyes (b). What is the phenotype of a person who is Bb?

• Blue Eyes 
• Brown Eyes
• 70% Brown 
• 25% Blue 

Tags

NGSS.HS-LS3-1

Brown eyes (B) are dominant to blue eyes (b). What is the genotype of a person with blue eyes?

• Homozygous Dominant (BB)
• Homozygous Recessive (bb)
• Heterozygous (Bb)
• Single Recessive (b)

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is a gene?

• Section of DNA that codes for mutations
• ection of DNA that codes for the DNA sequence
• Section of DNA that codes for evolution 
• Section of DNA that codes for our traits

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What genotype belongs in the box with the question mark?

• AA
• Aa
• aA
• aa

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What genotype belongs in the top right box?

• TT
• tt
• Tt

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the probability that the offspring will be Homozygous Recessive?

• 0%
• 25%
• 50%
• 100%

Tags

NGSS.HS-LS4-3

What is the probability that the offspring will be yellow?

• 100%
• 50%
• 25%
• 0%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2