HbAHbS is the genotype of an individual that has protection from both sickle-cell disease and malaria, i.e., it is a heterozygote individual.
What is a heterozygote individual?
A heterozygote individual is an organism who carries two different gene variants or alleles for a given locus.
The expression HbAHbS denotes a heterozygote individual because it has two different alleles that jointly confer resistance to malaria.
In conclusion, HbAHbS is the genotype of an individual that has protection from both sickle-cell disease and malaria, i.e., it is a heterozygote individual.
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