31
May
Are Calico Cats Always Female. This is because their color genes do not reside on the extra leg of the XX chromosome. Therefore female cats inherit their coat colour from both their queens XX and their toms XY. I did some investigating to find out why calico cats are almost always female. A significant portion of the coat remains white in color with orange or black patches to make them unique.
What Is A Calico Cat. They can therefore only carry one variant of the orange gene in all their cells. Actually calico isnt a breed of cat but a type of coat coloring. Remember Punnett squares from high school biology class. Although its rarer for purebreds like say Russian Blues. This is because their color genes do not reside on the extra leg of the XX chromosome.
Females of all sorts not just cats have two X chromosomes while males have.
As with humans female cats have paired sex chromosomes XX and male cats have XY sex chromosomes. I have had 3 cats that were calicos and they are not vocal at all. They can be either male or female. Mostly calico cats are female but not all. Although its rarer for purebreds like say Russian Blues. Its a fact that 999 percent of all calico cats are female because of the unique chromosomal makeup that determines the color variations in their coats.