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Carrier Frequency of Hemoglobinopathies

 

Sickle Cell

Alpha-thal

Beta-thal

African American

1/12

1/30

1/75

Caribbean

1/12

1/30

1/50-75

Asian

*

1/20

1/50

Southeast Asian

*

>1/20

1/30

Central America

1/30-200

**

1/30-50

Mediterranean

1/30-50

1/30-50

1/20-30

Middle Eastern

1/50-100

**

1/50

*Rare   **Variable Risk