Congrats on your cute chicks! 
Is opaline sex linked then? Baby 4 doesn't have much feathers yet but on him or her you can see more grey down. Baby 3 seems to have white and grey down. Additionally, baby 3 has a lighter shade of grey on his or her wings than babies 1 and 2 so far and also no dark beak.They are adorable! Chicks 1 and 2 seem to really be opaline, making them female, and Church /opaline. Chicks 3 and 4 are most likely normals, I think.
Anyways, the will be more obvious as they feather up, which is going to be very exciting to see!They're absolutely adorable and I can't wait to see more of them :fingerx:
Yes, it is sex linked, which is why Church could be split (males can be split as it is located on the X chromosomes and males have two) but if he passed the X carrying the opaline gene on to a male chick, he would be split, too. If he passed it on to a female (XY), then the gene acts dominant as females can't be split and they will show itIs opaline sex linked then? Baby 4 doesn't have much feathers yet but on him or her you can see more grey down. Baby 3 seems to have white and grey down. Additionally, baby 3 has a lighter shade of grey on his or her wings than babies 1 and 2 so far and also no dark beak.
Thank you for being so helpful and responsive! There is always so much to learn. That is why I love birds.Yes, it is sex linked, which is why Church could be split (males can be split as it is located on the X chromosomes and males have two) but if he passed the X carrying the opaline gene on to a male chick, he would be split, too. If he passed it on to a female (XY), then the gene acts dominant as females can't be split and they will show itThat's why I think the two ones with white down are females
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It's a pleasure! :yo: I love seeing chicks grow and I agree that there's always so much to learnThank you for being so helpful and responsive! There is always so much to learn. That is why I love birds.