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Discussion Starter · #1 ·
I am new to budgies and have been reading up a storm. My background is biology and veterinary studies...so I do understand genetics.

My question: Through all the reading albino is a blue bird lacking typical coloration that could be masking blue/grey, lutino is a green bird lacking the typical coloration masking possible. Both incidents could carry a YF.

Dealing only with the ones with red eye pigment.

I read where several have gotten a young white [seemingly albino] and as they molt out they take on a yellow hue [creamino], I think they are stunning :eek:.

So where is this seemingly albino getting the yellow factor? Is it a separate gene, a mutation of them carrying a YF factor?

It alters all the reading I have done and understood on albino vs lutino.

On a second note I have a recessive blue pied opaline male and a blue YF opaline female......am I correct in stating that even if one of these two birds had a green parent, the chicks from these two could not be green.

There are so many genetic options I want to be clear on all that I have read.

Thank you all this is a great forum!
 

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Yes any mutation can be a yellow face :) In the case of a green the yellow face is masked or can not be seen because the bird is already yellow, but the mutation is still there.

Since the 3 yellowfacs mutations are dominant they can not be in split form. As chicks many times the yellow is very pale ane barely noticeable if you are not looking for it, but the mutation deepens and brightens in color after the first molt turning more of the feathers a noticeable yellow :) this is especially the case in sf yellow face type 2 and sf goldenface :)

You are correct that a green can not come from 2 blues, dominant genes like green can not be in split form. To have the gene to pass on to their chicks they must visually have the mutation :)
 

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Discussion Starter · #3 ·
Did I understand you correctly

Then the seemingly albino baby/young bird that becomes a creamino is an albino displaying YF. The intensity of the yellow coming through is due to the YF1, YF2 or Golden.

What about the reverse when you have a Lutino baby/young that gets that cloud appearance? What is causing that?

I am not at this point thinking of breeding my two, they are still young. I like to have all my answers before going forward, if I do decide to.

Has any coloration or factor or combination been associated with increased illness or training difficulties?

I would guess like other albino species their eyes are more sensitive?
 
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