00937ojm 2200253z- 450 991015574690332120230913112557.01-5124-4715-3(CKB)3710000000976068(BIP)058891788(EXLCZ)99371000000097606820231107c2017uuuu -u- -engBody Parts : Double-Jointedness, Hitchhiker's Thumb, and MoreLerner1 online resource (32 p.) illCan you stretch your thumb back to your arm? Is your pinkie straight or slightly bent? What determines the way your joints bendor don't bend? Read this book to find out about how your genes affect your physical features.Body Parts612Silverman Buffy1209422AUDIO9910155746903321Body Parts : Double-Jointedness, Hitchhiker's Thumb, and More3593162UNINA