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Sickle cell disease is a group of blood disorders inherited from both parents, causing abnormal red blood cells that can lead to pain, anemia, infections, and organ damage. Learn about the symptoms, diagnosis, treatment, and prevention of sickle cell disease and its subtypes.
Sickle cell trait is a condition where a person has one abnormal allele of the hemoglobin beta gene (genotype AS) and produces both normal and abnormal hemoglobin. It is associated with some resistance to malaria, but also rare complications such as sickle cell crisis, renal medullary carcinoma, and urinary tract infection.
Learn about human traits that are influenced by Mendelian inheritance, such as albinism, sickle-cell disease, and lactase persistence. Find out the inheritance patterns, examples, and non-Mendelian traits.
Learn about the genetic phenomenon of heterozygote advantage, where the heterozygous genotype has higher fitness than either homozygote. Find out how it works, why it occurs, and what examples exist in nature and humans.
A comprehensive list of over 6,000 known genetic disorders in humans, with their chromosome or gene involvement, type of mutation, and prevalence. The most common genetic disorders include color blindness, cystic fibrosis, hemophilia, sickle cell disease, and Tay–Sachs disease.
A genetic disorder is a health problem caused by abnormalities in the genome, which can be inherited or spontaneous. Learn about the different types of genetic disorders, such as single-gene, chromosomal, and X-linked, and their prevalence, causes, and examples.
A comprehensive list of disorders of or affecting the human hematologic system, which includes blood cells and bone marrow. The list covers various types of anemia, leukemia, hemophilia, and other conditions, with definitions, causes, symptoms, and classifications.
A 1949 paper by Pauling and colleagues that established sickle cell anemia as a genetic disease of hemoglobin structure and function. The paper introduced the concept of a molecular disease and influenced the development of molecular medicine and evolutionary theory.