
Originally Posted by
Soecara
Guinea pigs with a mohawk are called ridgeback.
Ozzy looks like a true mixed breed, it looks like he has a bit of longhair in him causing some longer fur around his bottom and neck, but he isn't a true longhair as he also has mostly short hair. His colour is a tri-colour, black, white and gold? (I'm not sure on exactly what "red series" colour his orange would classify as).
Bruno is an amercian, lilac and white dutch? tortoiseshell? (I'm not sure on which of those two patterns he would classify as), red eyed.
Red eyes are common in guinea pigs, and you can get red eyed guinea pigs in almost any colour. However even red eyed whites are not albinos, guinea pigs lack the genes to cause albinism, the closest they get is lethal whites which come with a host of potentially deadly defects hence why they are called lethal whites.
Lethal whites are only produced when two guinea pigs with the roan gene are mated and a pup inherits a roan gene from both parents, having two copies of the roan gene is what causes the long list of potential defects. Roaning in guinea pigs is a colour variant where their patches of colours have solid white furs intermixed, however it is possible for this gene to only express in select places not all over the guinea pig, as such it is also possible for the gene to only express where they happen to already be white. So it is possible to get Lethal whites from parents who may not physically look roan themselves but happen to carry the gene in a hidden way.
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