alleryStart learning →Which genotype shows the sickle-cell disease phenotype?
AHbAHbA only
BHbSHbS only
CHbAHbA or HbAHbS
DHbAHbS only
Answer & Solution
Correct answer: B. HbSHbS only
Only homozygous HbS individuals are diseased; HbAHbS individuals are carriers.
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