Question

Which of the following is true of patients with hemoglobin H disease?

-have a severe anemia
-have three missing genes for alpha chain production
-have excess unpaired beta chains present
-are of northern European ethnicity

Answer 1

Patients with hemoglobin H disease have three missing genes for alpha chain production and excess unpaired beta chains present.

Step-by-step explanation:

Patients with hemoglobin H disease have three missing genes for alpha chain production and have excess unpaired beta chains present.