Cats
[black]) [black])
) OO Oo o (non-red Oo oo
omosome [black])
Red female Tortie female X chromosome Tortie female Black femal
ne (Y O- o- No gene (Y O- o-
osome) chromosome)
Red male Black male Red male Black male
Because other conditions can give the impression of being tortoiseshell, some matings which
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