The stunning, patchy fur of tortoiseshell cats reveals a fascinating genetic story. Female cats have two X chromosomes, which means they can carry genes for both black and orange fur colors.

Two-colored, bi-color cats possess two-colored fur, often white and some other simple ... method of genetics—X-inactivation—as calicos. Tortie coats range from large, solid blotches to pale ...

HE is on a mission to help our pets  . . . and is here to answer YOUR questions. Sean, who is the head vet at tailored pet ...

A prime example of X inactivation is in the coat-color patterning of tortoiseshell or calico cats (Figure 1). In cats, the fur pigmentation gene is X-linked, and depending on which copy of the X ...

and he thinks he knows how the cat continues to thrive. Leslie Greenhough, 70, shared that this tortoiseshell cat celebrated Millie was the one to celebrate the milestone birthday recently.

Like humans, cats with light or white coats are at an increased risk of developing sunburn-especially on their ears, eyelids, and nose. Unlike allegedly unlucky black cats, all-white cats symbolize ...