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  2. Dot distribution map - Wikipedia

    en.wikipedia.org/wiki/Dot_distribution_map

    A dot distribution map (or a dot density map or simply a dot map) is a type of thematic map that uses a point symbol to visualize the geographic distribution of a large number of related phenomena. Dot maps are a type of unit visualizations that rely on a visual scatter to show spatial patterns, especially variances in density.

  3. Human genetic variation - Wikipedia

    en.wikipedia.org/wiki/Human_genetic_variation

    The distribution of many physical traits resembles the distribution of genetic variation within and between human populations (American Association of Physical Anthropologists 1996; Keita and Kittles 1997). For example, ~90% of the variation in human head shapes occurs within continental groups, and ~10% separates groups, with a greater ...

  4. Giant pouched rat - Wikipedia

    en.wikipedia.org/wiki/Giant_pouched_rat

    Giant pouched rats are only distantly related to the true rats, although until recently they had been placed in the same family, Muridae. [1] Recent molecular studies, however, place them in the family Nesomyidae, part of an ancient radiation of African and Malagasy muroids.

  5. Human genetic resistance to malaria - Wikipedia

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

    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 cells (1).

  6. Race and health - Wikipedia

    en.wikipedia.org/wiki/Race_and_health

    Taking the example of sickle-cell disease, in an emergency room, knowing the geographic origin of a patient may help a doctor doing an initial diagnosis if a patient presents with symptoms compatible with this disease. This is unreliable evidence with the disease being present in many different groups as noted above with the trait also present ...

  7. Crabtree, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Crabtree,_Pennsylvania

    The age distribution was 15.9% under the age of 18, 5.3% from 18 to 24, 27.2% from 25 to 44, 22.5% from 45 to 64, and 29.1% 65 or older. The median age was 46 years. For every 100 females, there were 101.3 males. For every 100 females age 18 and over, there were 100.7 males.

  8. Beta thalassemia - Wikipedia

    en.wikipedia.org/wiki/Beta_thalassemia

    A study aimed at detecting the genes that could give rise to offspring with sickle cell disease. Patients diagnosed with beta thalassemia have MCH ≤ 26 pg and an RDW < 19. Of 10,148 patients, 1,739 patients had a hemoglobin phenotype and RDW consistent with beta thalassemia.

  9. Thalassemia - Wikipedia

    en.wikipedia.org/wiki/Thalassemia

    Thalassemias are inherited blood disorders that result in abnormal hemoglobin. [7] Symptoms depend on the type of thalassemia and can vary from none to severe. [1] Often there is mild to severe anemia (low red blood cells or hemoglobin) as thalassemia can affect the production of red blood cells and also affect how long the red blood cells live. [1]