What ethnic group most often has glucose-6-phosphate dehydrogenase (G6PD) A- in the United States?
a. Northern European male subjects
b. Asian American female subjects
c. African American female subjects
d. African American male subjects
ANS: D
In the United States, African American male subjects are the ethnic group that most commonly has G6PD A- deficiency. From 10% to 11% of these subjects carry this gene. The gene is X linked, so that female subjects are carriers and generally do not have clinical problems.
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A) Obesity B) Heredity C) Poor diet D) Lack of exercise