Sphinx--
That's so interesting. Is the one that looks like BCM with beard the brown egg layer and the black easter egger the green egg? So they definitely got the brown gene from dad, and one got the blue gene from the ee mother.
I have 6 chicks from two EE parents. mother is white no markings, rooster was a 'melanized duckwing with the columbian gene'. So black (green sheen) tail, flight feathers, partially black hackles and saddle feathers---and white body...very striking. I know that ee's aren't sexable at hatch, and I have also heard that the chick gets color gene from the opposite sex parent. My thought is that all the dark chicks are going to be hens and all the light chicks are going to be the boys. Do you have any insight to that, or am I completely crazy here?
Back to what the OP said, would an ee cross with a particular breed if it were say a white leghorn and a black EE have a gender indication in chick color. Thanks if you have any views on this...or if anyone does.