Codominance Lesson

Codominance Lesson

9th Grade

20 Qs

quiz-placeholder

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Codominance Lesson

Codominance Lesson

Assessment

Quiz

Biology

9th Grade

Hard

NGSS
HS-LS3-1, HS-LS3-2, HS-LS3-3

Standards-aligned

Created by

Charles Martinez

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Chicken feathers are inherited through codominance. When a black chicken BB is mated with a white chicken WW, the resulting phenotype is called erminette/checkered BW.   

What are the phenotypes if a checkered /erminette chicken is mated with a black feathered chicken.

Black: 50%

White: 0%

Checkered: 50%

Black: 0%

White: 50%

Checkered: 50%

Black: 50%

White: 0%

Grey: 50%

Black: 50%

White: 50%

Checkered 50%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Chicken feathers are inherited through codominance. When a black chicken BB is mated with a white chicken WW, the resulting phenotype is called erminette/checkered BW.   

What are the genotypes if a checkered /erminette chicken is mated with a black feathered chicken.

BB: 50%

WW: 0%

BW 50%

BB: 0%

WW: 50%

BW: 50%

BB: 50%

Bb: 0%

bb: 50%

BB: 50%

WW: 50%

BW: 50%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Chicken feathers are inherited through codominance. When a black chicken BB is mated with a white chicken WW, the resulting phenotype is called erminette BW.  

 

If two checkered/erminette chickens are crossed what are the chances of a checkered chicken?

50%

25%

75%

100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Cat fur color is determined by codominance. The allele for tan fur (TT) and the allele for black fur (BB) are codominant. The heterozygous condition (TB) results in a cat with tan and black spots, called a tabby cat. 

If a tan cat was crossed with a tabby cat what are the chances of a tan cat? What are the chances of a black cat?

50%, 50%

50%, 0%

100%, 75%

25%, 25%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Cat fur color is determined by codominance. The allele for tan fur (TT) and the allele for black fur (BB) are codominant. The heterozygous condition (TB) results in a cat with tan and black spots, called a tabby cat. 

If a black cat was crossed with a tan cat what are the chances of a tabby cat?

50%

0%

100%

25%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Sickle cell anemia is a trait that exhibits codominance. A person with an AA genotype does not have sickle cell anemia, and a person with an SS genotype has full sickle cell anemia. A person with an AS genotype will have some sickle-cells, though s/he might show minimal or no symptoms (a “carrier”). 

Englebert is a carrier for sickle-cell anemia (shows minimal symptoms), and his wife, Gwendoline, does not have it. What are the chances that Engelbert and Gwendoline will have a child with ANY sickle-shaped blood cells?

50%

25%

100%

75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
Incomplete Dominance
Co dominance
Independent assortment
Recessive inheritance

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