You’ve constantly assumed the calico cat that rests in your neighbor’s screen is a she. And you’re sure the orange tabby you’ve dropped in deep love with during the shelter is a kid. Odds are, you’re right. Many cats that are orange male and a lot of calicos are feminine.
Along with of the cat’s coating is closely connected to its sex. While you may remember from twelfth grade biology, animals have actually two chromosomes that determine their sex—XX for females and XY for males. But lots of extra foreign brides chromosomes are current and vary based upon types, claims Dr. Robert Grahn, an analyst that is forensic the veterinary genetics laboratory in the University of Ca in Davis.
“These other chromosomes contain genes that affect hair color, pattern, form and length,” Grahn says. Leia mais