Lab: Mouse Genetics (Two Traits)

Question 1

The hypothesis would not have been supported by the data if

Revolt · Accepted Answer

the traits for white fur and red eyes were always inherited together.

Question 2

Notice that the predicted percentages and laboratory percentages are not the same. These differences most likely result from .

Revolt · Accepted Answer

expected randomness

Question 3

A cross was performed, and the offspring shown to the right were produced. What is the most likely genotype for the parents?

Revolt · Accepted Answer

BbEe × BbEe

Question 4

Select all the offspring phenotypes that could be produced from a BbEE x bbee cross (shown above).

Revolt · Accepted Answer

black fur, black eyes; white fur, black eyes

Question 5

Black Fur and Black Eyes Black Fur and Red Eyes White Fur and Black Eyes White Fur and Red Eyes Predicted Fraction /16 /16 /16 /16

Revolt · Accepted Answer

4

Question 6

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

Revolt · Accepted Answer

short, black fur; long, brown fur

Question 7

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.

Question 8

. . . the genes assort independently.

Revolt · Accepted Answer

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

Lab: Mouse Genetics (Two Traits) Answers