Punnett Square Review Quiz

A​ (a)   is the DNA or allele combination for a trait. The physical, observable trait is called the​ (b)  

• Genotype
• Phenotype
• Allele
• Gene

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Match the following

• Recessive

• Bb

• Dominant

• BB

• Dominant

• bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If the 2 alleles of a trait are different, the individual is ______.

• Homozygous

• Heterozygous

Tags

NGSS.HS-LS3-1

If the 2 alleles of a trait are the same, the individual is ______.

• Homozygous

• Heterozygous

Tags

NGSS.HS-LS3-1

What are the alleles on the top of the Punnett square?

a

SS

GG

gg

Gg

Tags

NGSS.HS-LS3-1

T=tall and t=short. In the Punnett Square below, what belongs in the missing square?

• TT

• Tt

• tt

• tT

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What percent of offspring will be heterozygous from this cross?

• BB=25%

• Bb=50%

• bb=25%

Tags

NGSS.HS-LS3-3

HH is crossed with Hh. What is the probability that the offspring will be hh?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-3

B= Brown and b=blonde hair. What is the probability of brown hair?

• 75%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

What is the likelihood that the offspring will be yellow?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2