This is the answer Facebook gave me: Is this correct? For the Ameraucana question I can help some. A true purebred Ameraucana (not from any of the big hatcheries, because they don’t breed pure) will have two blue egg genes. This means that rooster will give one blue egg gene to his offspring...
Question 3 (which is totally unrelated to the questions above), is:
I have a purebreed Lavender Amerucana rooster. He came from a hatchery. Does an Amerucana mixed with anything else become an Easter Egger and lay green eggs? For example, if I breed this rooster (my only rooster) with my ISA...