Sechenov University 1 article published in JoVE Developmental Biology Clonal Genetic Tracing using the Confetti Mouse to Study Mineralized Tissues Baoyi Zhou1, Marketa Kaucka1, Andrei S. Chagin1,2, Phillip T. Newton1,3 1Department of Physiology and Pharmacology, Karolinska Institutet, 2Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 3Department of Women's and Children's Health, Karolinska Institutet and Pediatric Endocrinology Unit, Karolinska University Hospital This method describes the use of the R26R-Confetti (Confetti) mouse model to study mineralized tissues, covering all steps from the breeding strategy to the image acquirements. Included is a general protocol that can be applied to all soft tissues and a modified protocol that can be applied to mineralized tissues.