11. Let's start with those calico cats and Enron rats. 12. A fine-boned, calico cat sits regally on the steps as a sort of welcoming committee. 13. They were worried there might be a calico cat . 14. Daniel Greenblat's 19-year-old calico cat named Ketura will also endure a special regimen during Passover. 15. Calico cats may have already provided findings relating to physiological differences between male and female mammals.16. Other members of his cloned clan include cattle, pigs, goats and a calico cat named cc. 17. Calico cats are almost always female because the placental mammals & mdash; normally have two X chromosomes.18. Inside, Brad Pitt poses with his Weimaraner, Purdy, and Wendy Wasserstein writes about her calico cat , Ginger. 19. Calico cats , which are almost all female, demonstrate one of the most commonly observed manifestations of this process.20. Visitors to a home in Texas say roughly the same thing about a calico cat that frolics there.