Gray factor is a color-adding factor. If a budgie has a grey factor, the color grey is added to the budgie's original body color. The grey factor is very strong and overrides the underlying color. Normal yellow-based budgies with a grey factor will be a grey-green color. Normal white-based budgies with a grey factor will be a grey color.
Grey factor - dominant
Normal - recessive
Details on grey factor genetics...
|Grey factor in a normal yellow-based budgie results in the grey-green variety.||Grey factor in a normal white-based budgie results in the grey variety. This budgie is also dominant pied.|
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