https://midgetcats.com/wp-content/uploads/2024/07/munchkin-kittens-for-sale-7.jpg According to The Worldwide Cat Affiliation (TICA), the Munchkin doesn’t have any debilitating genes. Just the long bones from the legs are afflicted because of the gene that triggers shorter legs in Munchkins—the backbone isn't afflicted, nor are any other bones.