The page below is a sample from the LabCE course Beta Thalassemia. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

Learn more about Beta Thalassemia (online CE course) »
How to Subscribe
MLS & MLT Comprehensive CE Package
Includes 94 CE courses, most popular
$95 Add to cart
Pick Your Courses
Up to 8 CE hours
$50 Add to cart
Individual course$20 Add to cart

Chromosome 11 Delta-Beta Thalassemia Major

Delta-beta thalassemia major, Delta-beta 0/ Delta-beta0, exists when both gene loci for beta and delta chains are completely deleted or inactive on both chromosomes.

In this state, only Hb F can be made (two alpha chains, two gamma chains).

(drawing modified from Harmening, 1999)