In mice, black fur ( B ) is dominant over white fur ( b ). A test cross was performed on a black mouse. | Cheap Nursing Papers

In mice, black fur ( B ) is dominant over white fur ( b ). A test cross was performed on a black mouse.

In mice, black fur (B) is dominant over white fur (b).

A test cross was performed on a black mouse.  Which of the following conclusions about the genotypes of the parental mice is the ONLY possibility for the given outcomes?

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