In certain breeds of cattle, hair colour demonstrates codominance. The coat colours can be red, white or roan (a blend of red and white hairs). What phenotypes are expected when a parent with a red coat ($H^R H^R$) is crossed with a parent with a roan coat ($H^R H^W$)?
- A50% red: 50% roan
- B75% red: 25% roan
- C75% red: 25% white
- D50% red: 50% white