Why Is Hydrops Fetalis Largely Restricted to Southeast Asia?
A) $\alpha$

question 8

Multiple Choice

Why is hydrops fetalis largely restricted to Southeast Asia?

• A) Dietary differences between populations affect expressivity of the phenotype
• B) The type of malaria present in this area
• C) Two α-globin alleles are commonly deleted in cis in this population
• D) (\(\alpha\)-)Thalassemia carrier status is most common in this population
• E) A compensating hemoglobinopathy is less common in this population

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