Homozygotes have a thalassemia intermedia.
16 compares the locations and the sizes of the 12 types that have been discovered. The Indian type is a combination of two small deletions and an inversion. The Black type is likely the most common one observed. All rights reserved. Neither this work nor any part may be reproduced or transmitted in any form or by any means, electronic or mechanical, microfilming and recording, or by any information storage and retrieval systems, without permission in writing from the Author.