I am really confused
Apollo and Candy are both spangles. The have 5 chicks. The oldest is starting to get dark balckish brown markings. How can that be when both of the parents don't have and dark markings??!!
Here is Apollo:
Lol u get a good veiw of her butt
Photo of Chick:
(yoU cant see that clearly but it is getting markings on it back like stripes
It is the second to the top.(the biggest)
Apollo is a yf2 seafoam green spangle. Not sure what Candy is.
Nev is right as usual. Shame he beat me to the post
Phenotypical spangles have only one spangle gene (lets call it S) which is semi-dominant to the one normal gene they posess (lets call it x).
So both your parent budgies are single factor spangles: Sx and Sx
Pairing these two together you could expect to get exactly what nev said:
25% - xx (normal wing markings)
50 % - Sx (spangle like the parents)
25% - SS (double factor spangle - which are clear coloured birds like ino's except they have dark eyes not red)
I hope you get at least one double factor! That would be awesome!
P.S Candy looks like a spangle opaline. Normal feathering is black with white tips (on a white based bird). A single spangle gene reverses that so it is white feathers with black tips.
Spangle opalines have white feathers tipped with the body colour running through (white feather with blue tips in candy's case). I have a bird just like that, so the chances are you could expect 50% of your male chicks to be split for opaline (meaning they carry the gene from their mother, but males need one opaline gene from the mother and one from the father to be opaline, whereas females just need one from the father and i dont know if your male bird is split for opaline)