In Mice, the Allele for Colored Fur ( C )

question 25

Short Answer

In mice, the allele for colored fur ( C ) is dominant to the allele for albinism ( c ). The allele ( W ) for normal behavior is dominant to that for waltzing movement ( w ). Give the probable genotypes of the parents if they produced the offspring listed after the following crosses:
(a) Colored normal x white waltzer produced 10 colored normal, 8 colored waltzers, 2 white waltzers, and 11 white normal.
(b) Colored normal x white normal produced 35 colored normal and 13 colored waltzers.
(c) Colored normal x colored normal produced 37 colored normal, 14 colored waltzers, 9 white normal, and 5 white waltzers.

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