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  2. 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 ...

  3. J. B. S. Haldane - Wikipedia

    en.wikipedia.org/wiki/J._B._S._Haldane

    John Burdon Sanderson Haldane FRS (/ ˈhɔːldeɪn /; 5 November 1892 – 1 December 1964 [1][2]), nicknamed "Jack" or "JBS", [3] was a British-Indian scientist who worked in physiology, genetics, evolutionary biology, and mathematics. With innovative use of statistics in biology, he was one of the founders of neo-Darwinism.

  4. Genetics - Wikipedia

    en.wikipedia.org/wiki/Genetics

    Genetics is the study of genes, genetic variation, and heredity in organisms. [1][2][3] It is an important branch in biology because heredity is vital to organisms' evolution. Gregor Mendel, a Moravian Augustinian friar working in the 19th century in Brno, was the first to study genetics scientifically.

  5. Mutation - Wikipedia

    en.wikipedia.org/wiki/Mutation

    For other uses, see Mutation (disambiguation). Three major single-chromosome mutations: deletion (1), duplication (2) and inversion (3). In biology, a mutation is an alteration in the nucleic acid sequence of the genome of an organism, virus, or extrachromosomal DNA. [ 1 ] Viral genomes contain either DNA or RNA.

  6. CRISPR gene editing - Wikipedia

    en.wikipedia.org/wiki/CRISPR_gene_editing

    CRISPR gene editing (CRISPR, pronounced / ˈkrɪspər / "crisper", refers to " c lustered r egularly i nterspaced s hort p alindromic r epeats") is a genetic engineering technique in molecular biology by which the genomes of living organisms may be modified.

  7. Hemoglobin - Wikipedia

    en.wikipedia.org/wiki/Hemoglobin

    Hemoglobin S (α 2 β S 2) – A variant form of hemoglobin found in people with sickle cell disease. There is a variation in the β-chain gene, causing a change in the properties of hemoglobin, which results in sickling of red blood cells.

  8. Spinal muscular atrophy - Wikipedia

    en.wikipedia.org/wiki/Spinal_muscular_atrophy

    1 in 10,000 people [2] Spinal muscular atrophy (SMA) is a rare neuromuscular disorder that results in the loss of motor neurons and progressive muscle wasting. [3][4][5] It is usually diagnosed in infancy or early childhood and if left untreated it is the most common genetic cause of infant death. [6] It may also appear later in life and then ...

  9. Malaria - Wikipedia

    en.wikipedia.org/wiki/Malaria

    Sickle cell trait causes a change in the haemoglobin molecule in the blood. Normally, red blood cells have a very flexible, biconcave shape that allows them to move through narrow capillaries ; however, when the modified haemoglobin S molecules are exposed to low amounts of oxygen, or crowd together due to dehydration, they can stick together ...