Simple Punnett Square Formative Assessment #2

What you see on the outside, or physical traits of a person, is called their _________.

• Genotype

• Phenotype

• Homozygous

• Heterozygous

Tags

NGSS.HS-LS3-3

Which of the following genotypes is heterozygous?

• Bb

• BB

• bb

• B

Tags

NGSS.HS-LS3-2

Which of the following is homozygous dominant?

• Yy

• Y

• yy

• YY

Which of the following is homozygous recessive?

• Tt

• tt

• TT

• T

Dominant alleles are represented by a:

• Male gene
• lowercase letter
• recessive trait
• capital letter

BB, bb, and Bb are all examples of

• genotypes

• phenotypes

What is the phenotype of the offspring? (A=Brown hair; a=blonde hair)

• 50 % Brown Hair and 50% Blonde Hair

• 25 % Brown Hair and 75% Blonde Hair

• 75 % Brown Hair and 25% Blonde Hair

• 0% Brown Hair and 100% Blonde Hair

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Solve a punnett square for a brown-eyed mother (Bb) and a green-eyed father (bb). Select the correct genotypes & phenotypes for the offspring.

• 50% Bb and 50% bb

• 50% BB and 50% bb

• 100% Bb

• 100% bb

Tags

NGSS.HS-LS3-1

Solve a punnett square for a curly-haired mother and a straight-haired (homozygous dominant) father. [Straight hair=H, Curly hair=h]. Select the correct genotypes for the offspring.

• 25% hh, 50% HH, 25% Hh

• 50% HH, 50% hh

• 100% HH

• 100% Hh

Tags

NGSS.HS-LS3-1

NGSS.HS-LS4-3

Solve a punnett square for a curly-haired mother and a curly-haired father. [Straight hair= H, Curly hair = h]. What percent of the offspring will have STRAIGHT hair?

• 0%

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2