Lab: Mouse Genetics (Two Traits)

Question 1

Question 1

Revolt · Accepted Answer

4

Question 2

. . . the genes assort independently.

Revolt · Accepted Answer

short, black fur; long, black fur; short, brown fur; long, brown fur

Question 3

Cross a parent that is homozygous recessive for both traits (bbee) with a dihybrid (BbEe). First, draw a Punnett square in your notes. For each offspring in the Punnett square, determine the phenotype.In other words, what are the fur color and eye color? Finally, use that information to fill in the predicted fraction of each phenotype in the data table below.

Revolt · Accepted Answer

"4"; 4

Question 4

/16

Revolt · Accepted Answer

4

Question 5

/16

Revolt · Accepted Answer

4

Question 6

/16

Revolt · Accepted Answer

4

Question 7

. . . the genes are nearby on the same chromosome.

Revolt · Accepted Answer

short, black fur; long, brown fur

Question 8

Which explanations best explain the data? Check all that apply.

Revolt · Accepted Answer

The genes for wing shape and body color are located on the same chromosome.; The genes for eye color and wing shape are on different chromosomes.

Lab: Mouse Genetics (Two Traits) Answers

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