Lab: Mouse Genetics (One Trait)

Question 1

You confirmed the above in steps 1 through 3, in which you changed the of the parents and predicted the fur color, or , of the offspring.

Revolt · Accepted Answer

A: genotypes

Question 2

In general, did the simulated mice align with your predictions from the Punnett squares? ✔ YesNo

Revolt · Accepted Answer

A: Yes

Question 3

If you crossed two mice with white fur, what distribution of fur color would you expect in the offspring?

Revolt · Accepted Answer

C: 100% white

Question 4

In the cross Bb x Bb (two heterozygous mice), what percentage of the offspring would you predict to have the same phenotype as the parents?

Revolt · Accepted Answer

D: 75%

Question 5

Question 5

Revolt · Accepted Answer

B

Question 6

Your prediction is that of the offspring would have the dominant phenotype, and of the offspring would have the recessive phenotype.

Revolt · Accepted Answer

Selection 1: 75%; Selection 2: 25%

Question 7

What is the probability that the couple would have a child that was also a carrier for sickle cell anemia?

Revolt · Accepted Answer

C: 50%

Question 8

parents and predicted the fur color, or , of the offspring.

Revolt · Accepted Answer

B: phenotypes

Question 9

Error Analysis: What might be the reason that some of your percentages didn’t exactly match your predicted results?

Revolt · Accepted Answer

B: Mice don’t have large litters, so the sample size was not large enough.

Question 10

Justify your answer by filling in the blanks. Both parents have white fur. way that this can happen is if their genotypes are both . Therefore, both parents pass the allele to every offspring. When you combine two of these alleles, the resulting genotype is ; therefore, the resulting offspring have white fur.

Revolt · Accepted Answer

C: The only

Lab: Mouse Genetics (One Trait) Answers

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