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  2. Sickle cell trait - Wikipedia

    en.wikipedia.org/wiki/Sickle_cell_trait

    Sickle cell disease is a blood disorder wherein there is a single amino acid substitution in the hemoglobin protein of the red blood cells, which causes these cells to assume a sickle shape, especially when under low oxygen tension. Sickling and sickle cell disease also confer some resistance to malaria parasitization of red blood cells, so that individuals with sickle-cell trait ...

  3. Sickle cell disease - Wikipedia

    en.wikipedia.org/wiki/Sickle_cell_disease

    Sickle cell disease (SCD), also simply called sickle cell, is a group of hemoglobin-related blood disorders typically inherited. [2] The most common type is known as sickle cell anemia. [2] It results in an abnormality in the oxygen-carrying protein haemoglobin found in red blood cells. [2] This leads to a rigid, sickle -like shape under certain circumstances. [2] Problems in sickle cell ...

  4. Mendelian traits in humans - Wikipedia

    en.wikipedia.org/wiki/Mendelian_traits_in_humans

    Mendelian traits in humans. A 50/50 chance of inheritance. Sickle-cell disease is inherited in the autosomal recessive pattern. When both parents have sickle-cell trait (carrier), a child has a 25% chance of sickle-cell disease (red icon), 25% do not carry any sickle-cell alleles (blue icon), and 50% have the heterozygous (carrier) condition. [1]

  5. Sickle cell-beta thalassemia - Wikipedia

    en.wikipedia.org/wiki/Sickle_cell-beta_thalassemia

    Sickle cell-beta thalassemia is an inherited blood disorder. The disease may range in severity from being relatively benign and like sickle cell trait to being similar to sickle cell disease. [1][2]

  6. Hemoglobin C - Wikipedia

    en.wikipedia.org/wiki/Hemoglobin_C

    Symptoms and signs People with one copy of the gene for hemoglobin C (termed heterozygous) do not experience significant symptoms, but can pass the abnormal gene onto their children; this condition is called hemoglobin C trait. When two hemoglobin C genes are present (termed homozygous), the individual is said to have hemoglobin C disease, and may develop mild anemia, as red blood cells ...

  7. Dominance (genetics) - Wikipedia

    en.wikipedia.org/wiki/Dominance_(genetics)

    (The medical condition produced by the heterozygous genotype is called sickle-cell trait and is a milder condition distinguishable from sickle-cell anemia, thus the alleles show incomplete dominance concerning anemia, see above).

  8. Human genetic resistance to malaria - Wikipedia

    en.wikipedia.org/wiki/Human_genetic_resistance...

    Sickle-cell Sickle-cell disease was the genetic disorder to be linked to a mutation of a specific protein. Pauling introduced his fundamentally important concept of sickle cell anemia as a genetically transmitted molecular disease. [20] This vein (4) shows the interaction between the malaria sporozoites (6) with sickle cells (3) and regular ...

  9. Heterozygote advantage - Wikipedia

    en.wikipedia.org/wiki/Heterozygote_advantage

    Sickle-cell anemia (SCA) is a genetic disorder caused by the presence of two incompletely recessive alleles. When a sufferer's red blood cells are exposed to low- oxygen conditions, the cells lose their healthy round shape and become sickle-shaped.