Rat genetics

[satomi325]

I didn't list it in my original post, but there's a gene that causes Siamese, Himalayan, and albino to have black eyes instead of red. This gene is a simple dominant, but currently not very common in the US (more common in the UK). I listed Downunder (a marking) as dominant, but it looks like I might be mistaken on that. I recalled it being dominant according to what others in the rat fancy have said, but a quick search is listing it as an allele on the H-locus.
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I understand that down under was a marking, which is why I didn't mention it since the topic was about colors. I only asked about more dominants because it sounded like there are more dom color types. Either way, still sound info. Thanks for the clarification.

Snakesrkewl(Jerry) who posted above is experienced in breeding Black eyed siamese.

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