Pathology General bbe0d8b3 HbH is associated with: A Deletion of 3 alpha genes B Deletion of 4 alpha genes C Deletion of 3 beta genes D Deletion of 4 beta genes High-Yield Explanation HbH Disease is associated with deletion of 3 out of 4 alpha globin genes. Ref: Robbins pathologic basis of disease 6th edn/page 619.