Q. In cattles, when red one is crossed with white, an intermediate roan coloured offspring is formed in F1 generation. When selfing of F1generation was carried, the result obtained was 

1. 1 Red, 1 Roan, 1 White
2. 1 Red, 2 Roan, 2 White
3. 1 Red, 2 Roan, 1 White
4. 2 Red, 1 Roan, 1 White