People with one sickle cell HbS allele and one normal HbA allele are considered "carriers." What does this tell you about the dominant-recessive relationship between these two alleles?

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Carriers have both alleles but do not exhibit the full sickle cell disease, indicating that neither allele is completely dominant; instead, they show a condition known as sickle cell trait.

People with One Sickle Cell HbS Allele and One Normal