A recessive allele (d) of the dancer gene in mice affects the inner ear and results in mice with balance problems and an unusual gait. You learned in class that the A gene, which is on a different chromosome, has an allele, AY, that is dominant for yellow coat color and recessive lethal.
You cross a pure-breeding line of dancer mice that have normal coats to a strain with normal gait and yellow coats. In the resulting F1 progeny, 1/2 have yellow coats and normal gaits and 1/2 have normal coats and normal gaits.
What are the possible genotypes of the yellow-coated F1 progeny?
Select one or more:
a. DDAA
b. DdAA
c. DdA^YA^Y
d. DdAA^Y
e. ddA^YA^Y
f. DD AA^Y
g. ddAA
Answers: 3
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A recessive allele (d) of the dancer gene in mice affects the inner ear and results in mice with bal...
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