AP Bio Unit 5 Heredity

In a monohybrid cross of complete dominance, what is the phenotypic ratio?

• 1:2:1

• 3:1

• 9:3:3:1

• 12:4

In a monohybrid cross of incomplete dominance, what is the phenotypic ratio?

• 1:2:1

• 3:1

• 9:3:3:1

• 12:4

In a dihybrid cross of complete dominance, what is the phenotypic ratio?

• 1:2:1

• 3:1

• 9:3:3:1

• 12:4

In a population of 100 offspring, how many would you expect to be homozygous dominant in a cross between a homozygous dominant and a homozygous recessive parent?

• 0

• 25

• 50

• 75

• 100

Tags

NGSS.HS-LS3-3

NGSS.HS-LS4-3

In a population of 200 offspring, how many would you expect to be homozygous recessive in a cross between a heterozygous and a homozygous recessive parent?

• 0

• 50

• 100

• 150

• 200

Tags

NGSS.HS-LS4-3

In an incomplete dominance cross between a white flower and a red flower, what is the probability of a pink offspring?

• 0%

• 25%

• 50%

• 75%

• 100%

Which of the the following genotypes would produce type A blood? Check all that apply.

• A i

• A B

• A A

• i i

Tags

NGSS.HS-LS3-1

Skin color is polygenic where dominant gene is responsible for making dark melanin. Which of the following skin tones would be the lightest? Check all that apply.

• 
  AABBCC

• 
  AaBbcc

• 
  AaBbCc

• 
  aaBbCc

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In a cross between two roan cows (codominant), what is the probability of a white cow?

• 0/4

• 1/4

• 2/4

• 3/4

• 4/4

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-3

How many letters does a genotype contain?

• 1

• 3

• 4

• 2