You confirmed the above in steps 1 through 3, in which you changed the ✔ genotypesphenotypesinheritance of the
parents and predicted the fur color, or genotypes✔ phenotypesinheritance, of the offspring.
In steps 4 and 5, you reversed the process. You were shown the parents and offspring above. You did a experimental cross✔ test crosscross breed to identify the genotypes of the parents
In general, did the simulated mice align with your predictions from the Punnett squares? ✔ YesNo
If you crossed two mice with white fur, what distribution of fur color would you expect in the offspring?
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?
There are genes that govern the eye color of mice, too. Suppose that a true-breeding mouse with red eyes is crossed with a true-breeding mouse with black eyes. All of the offspring mice have black eyes. What can you conclude?
Your prediction is that of the offspring would have the dominant phenotype, and of the offspring would have the recessive phenotype.
What is the probability that the couple would have a child that was also a carrier for sickle cell anemia?
Error Analysis: What might be the reason that some of your percentages didn’t exactly match your predicted results?
Justify your answer by filling in the blanks. Both parents have white fur. OneThe most likely✔ The only
Next, you perform a cross with a mouse with black fur and a mouse with white fur. Which result(s) for the offspring would confirm that the mouse with black fur was heterozygous?
To do so, you would do a . Breed
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If you did the experiment again, how could you improve upon the experimental design? Check all that apply.
them and look for approximately a ratio of black eyes to red eyes.
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