Question: When a red bull (RR) is bred with a white cow (WW), a roan calf (RW) is sometimes produced. If a roan bull (RW) is bred with a roan cow (RW), what is the most likely outcome of the offspring?

  Options: 
 A. 1 red, 1 white, and 2 roan
 B. 0 red, 1 white, and 3 roan
 C. 2 red, 2 white, and 0 roan
 D. 0 red, 0 white, and 4 roan
Answer: A