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  2. List of Pennsylvania area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Pennsylvania_area...

    Interactive map of the numbering plan areas of the Commonwealth of Pennsylvania (blue). This is a list of telephone area codes of Pennsylvania.. In 1947, the American Telephone and Telegraph Company divided Pennsylvania into four numbering plan areas (NPAs) and assigned distinct area codes for each.

  3. Anopheles - Wikipedia

    en.wikipedia.org/wiki/Anopheles

    CDC – World map showing distribution of various Anopheles species; Walter Reed Biosystematics Unit. – Links to the online mosquito catalog, keys for mosquito identification, images and information on medically important species and much more. Malaria Atlas Project; Anopheles gambiae taxonomy, facts and life cycle

  4. Balancing selection - Wikipedia

    en.wikipedia.org/wiki/Balancing_selection

    A well-studied case is that of sickle cell anemia in humans, a hereditary disease that damages red blood cells. Sickle cell anemia is caused by the inheritance of an allele (HgbS) of the hemoglobin gene from both parents. In such individuals, the hemoglobin in red blood cells is extremely sensitive to oxygen deprivation, which results in ...

  5. Beta thalassemia - Wikipedia

    en.wikipedia.org/wiki/Beta_thalassemia

    This geographical distribution is thought to be due to beta-thalassemia carrier state (beta thalassemia minor) conferring a resistance to malaria. [8] In the United States, thalassemia's prevalence is approximately 1 in 272,000 or 1,000 people. There have been 4,000 hospitalized cases in England in 2002 and 9,233 consultant episodes for ...

  6. Richard Lewontin - Wikipedia

    en.wikipedia.org/wiki/Richard_Lewontin

    Richard Charles Lewontin (March 29, 1929 – July 4, 2021 [3]) was an American evolutionary biologist, mathematician, geneticist, and social commentator.A leader in developing the mathematical basis of population genetics and evolutionary theory, he applied techniques from molecular biology, such as gel electrophoresis, to questions of genetic variation and evolution.

  7. List of Pennsylvania state historical markers - Wikipedia

    en.wikipedia.org/wiki/List_of_Pennsylvania_state...

    A city style marker in Philadelphia, the state's largest city Clickable map of Pennsylvania counties. This is a list of Pennsylvania State Historical Markers which were first placed by the Commonwealth of Pennsylvania in 1914 and are currently overseen by the Pennsylvania Historical and Museum Commission (PHMC) as part of its Historical Markers Program.

  8. Responsible Parenthood and Reproductive Health Act of 2012

    en.wikipedia.org/wiki/Responsible_Parenthood_and...

    The Responsible Parenthood and Reproductive Health Act of 2012, also known as the Reproductive Health Law or RH Law, and officially designated as Republic Act No. 10354, is a Philippine law that provides universal access to methods of contraception, fertility control, sexual education, and maternal care.

  9. Pennsylvania State University - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_State_University

    The Pennsylvania State College (1874–1953) Dickinson School of Law (1834–2000) The Chestnut Street Female Seminary (1850–1883) The Ogontz School for Girls (1883–1950) Wyomissing Polytechnic Institute (1930–1958) Pennsylvania State Forest Academy (1903–1929) Motto: On seal: "Virtue, Liberty, and Independence" Type