First Cross
Genotypic ratio:
Phenotypic ratio:
Second Cross
Genotypic ratio:
Phenotypic ratio:
Third Cross
Genotypic ratio:
Phenotypic ratio:
Questions
1. What conclusions can you draw about the results of your first cross between a homozygous red bull (RR) and a heterozygous red cow (Rr)?
2. What conclusions can you draw about the results of your second cross between a heterozygous red bull (Rr) and a heterozygous red cow (Rr)?
3. What conclusions can you draw about the results of your third cross between a homozygous white bull (rr) and a homozygous white cow (rr)?