Search results for query: *

Chickens can breed with their relatives. They do not seem to care. The chicks are usually fine.

If the cuckoo is the mother, then yes you get sexlinks (barred males). The blue gene works just as you said: blue x black = blue chicks and black chicks. The blue affects the areas that would be black, so the white barring doesn't change. Cuckoos have the barring gene. That is on the Z sex...