In cattle,roan coat colour (mixed red and white hairs)occurs in the heterozygous (Rr)offspring of red (RR)and white (rr)homozygotes.Which of the following crosses would produce offspring in the ratio of 1 red:2 roan:1 white?
A)red × white B)roan × roan C)white × roan D)red × roan E)The answer cannot be determined from the information provided.