Lab: Mouse Genetics (Two Traits)

Question 1

Question 1

Revolt · Accepted Answer

: 4; : 4; : 4; : 4

Question 2

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; : 4; : 4

Question 3

/16

Revolt · Accepted Answer

4

Question 4

/16

Revolt · Accepted Answer

4

Question 5

/16

Revolt · Accepted Answer

4

Question 6

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

Revolt · Accepted Answer

A: short, black fur; D: long, brown fur

Question 7

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

Revolt · Accepted Answer

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

Question 8

. . . the genes assort independently.

Revolt · Accepted Answer

A: short, black fur; B: long, black fur; C: short, brown fur; D: long, brown fur

Lab: Mouse Genetics (Two Traits) Answers

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