Can pet rat markings change over time? richinberlin99, 2 months ago 0 1 min read 7 A Can pet rat markings change over time? Category: pet-rat-markings No, pet rat markings are determined by genetics and do not change over time. Previous What are some good fresh fruits and veggies for my rat? Next What is an Irish pet rat? Related posts Dog Breeds Cirneco dell’Etna Dog Sandra, 2 months ago 9 min read Horse Breeds Groningen and Gelderlander Horses Sandra, 2 months ago 8 min read Pet Articles Home Surveillance for Australian Pet Owners Sandra, 2 months ago 3 min read Pet Articles The Importance of Hydration in Pets Sandra, 2 months ago 6 min read Horse Breeds Chilean Horse Sandra, 2 months ago 9 min read Pet Articles Choosing a Pet and Pets as Presents for Children Sandra, 2 months ago 9 min read