<span>The medical illustrations contained in this online atlas are copyrighted © 1997 by the University of Washington. They may not be utilized, reproduced, stored, or transmitted in any form or by any means, electronic or mechanical, or by any information storage or retrieval system, without permission in writing from the University of Washington. </span>
This condition is caused by a genetic defect found in the X chromosome, and therefore, you can conclude your answer from this info.
Owl, Uroplatus Geko, and Spiders
