What does ss mean in sickle cell genetics?

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Prepare for the PLTW Biomedical Science Test. Study with flashcards and multiple choice questions, each question comes with hints and explanations. Get ready for your exam!

Multiple Choice

What does ss mean in sickle cell genetics?

Explanation:
ss means two copies of the sickle cell allele. This gene is inherited in an autosomal recessive way, so you need two copies of the sickle allele to develop the disease. If someone has one sickle allele and one normal allele, they’re a carrier and usually don’t have full disease symptoms. If both alleles are normal, the person does not have the disease. Immunity isn’t determined by having two sickle alleles.

ss means two copies of the sickle cell allele. This gene is inherited in an autosomal recessive way, so you need two copies of the sickle allele to develop the disease. If someone has one sickle allele and one normal allele, they’re a carrier and usually don’t have full disease symptoms. If both alleles are normal, the person does not have the disease. Immunity isn’t determined by having two sickle alleles.

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