It's a lucky human who is owned by a Tortoiseshell!
Magnificent!How about a champion Chartreux?
It was explained to me by a vet that white cats who have different colored eyes will not have the mutation that causes deafness. This was born out by Ralph, our white cat, who could hear a can opener from 500 yards. He had one yellow and one blue eye.This kitten was born deaf, a genetic mutation often seen in white cats. They do not develop properly the tapetum lucidum, the reflective membrane in the eye, and their auditory ossicles are also faulty.
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Blindness is not a part of the manifestations of this genetic disorder.It was explained to me by a vet that white cats who have different colored eyes will not have the mutation that causes blindness. This was born out by Ralph, our white cat, who could hear a can opener from 500 yards. He had one yellow and one blue eye.