In chickens, black feathers (R) and white feathers (M) are both dominant. When a black feather chicken (RR) is crossed with a white feather chicken (MM), they produce a checkered chicken (RM) which has both black and white feathers. If two checkered chickens are crossed, what is the likelihood that their chicks would be checkered?

0% chance of checkered chickens
10% chance of checkered chickens
25% chance of checkered chickens
40% chance of checkered chickens
50% chance of checkered chickens
75% chance of checkered chickens
100% chance of checkered chickens