About Sickle Cell Disease

Sickle Cell Disease (SCD): Symptoms & Causes | NewYork-Presbyterian

Sickle cell disease

A gene is composed of two alleles. An allele can be either dominant or recessive. Suppose a husband and wife, who are both carriers of the sickle-cell anemia allele but do not have the disease, decide to have a child. Because both parents are carriers of the disease, each has one dominant normal-cell allele and one recessive sickle-cell allele. Therefore, the genotype of each parent is S s . Each parent contributes one allele to his or her offspring, with each allele being equally likely. (a) Li

What you should know about the FDA's newly-approved sickle-cell treatment

Treatment

A Genetic Treatment for Sickle Cell Disease