Why do albino ferrets possess red or pink eyes?
Answer
Visibility of the blood vessels in the retina
The striking red or pink appearance observed in the eyes of a true albino ferret is a direct consequence of the complete absence of pigment, specifically melanin, within the iris structure. When pigment is missing from the iris, it allows light to pass through to the structures behind it. Consequently, the color seen is actually the visibility of the underlying blood vessels situated within the retina, which are not obscured by any overlying color, making the eye appear reddish or pinkish.
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