The Blue budgerigar mutation is one of approximately 30 mutations affecting the colour of budgerigars. It is part of the genetic constitution of the following recognised varieties: Skyblue, Cobalt, Mauve and Violet.
Other articles related to "blue budgerigar mutation, blue, budgerigar":
... The Blue mutation is recessive to its wild-type allele, so a bird possessing a single Blue allele (the heterozygote) is identical in appearance to the wild-type light green ... Among the budgerigar fancy such a bird is said to be a Light Green split blue, usually written Light Green/blue ... In a bird which has two Blue alleles (the homozygote), the lack of the wild-type allele means the yellow pigment can no longer be produced, and so the body colour is blue ...
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“How prone poor Humanity is to dam up the minutest remnants of its freedom, and build an artificial roof to prevent it looking up to the clear blue sky.”
—E.T.A.W. (Ernst Theodor Amadeus Wilhelm)