Reference no: EM132526083

In mice, the ability to run normally is a dominant trait. Mice with this trait are called running mice (R). The recessive trait causes mice to run in circles only. Mice with this trait are called waltzing mice (r). Hair color is also inherited in mice. Black hair (B) is dominant over brown hair (b).

1) Cross a homozygous running, homozygous black mouse with a heterozygous running, brown mouse.

2) Cross a waltzing brown mouse with a waltzing brown mouse.

3) Cross a homozygous running, heterozygous black mouse with a waltzing brown mouse.