If two perfect Blue Andalusians are bred together, what genetic variations might appear alongside the desired blue progeny?

Answer

Some black birds and some white "splash" birds

If you breed two perfect blues together, you will likely hatch some black birds and some white "splash" birds alongside the desired blue progeny due to the incomplete dominance of the blue gene.

If two perfect Blue Andalusians are bred together, what genetic variations might appear alongside the desired blue progeny?
ChickenbluecharacteristicbreedAndalusian