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It is possible for a person to have both the gene for hemoglobin S (the form associated with sickle cell anemia) and the gene for hemoglobin C; this state is called hemoglobin SC disease, and is generally more severe than hemoglobin C disease, but milder than sickle cell anemia. [2]
Statistical subregions as defined by the United Nations Statistics Division [1]. This is a list of countries and other inhabited territories of the world by total population, based on estimates published by the United Nations in the 2024 revision of World Population Prospects.
Combined green: Definition of "sub-Saharan Africa" as used in the statistics of United Nations institutions Lighter green: The Sudan, classified as a part of North Africa by the United Nations Statistics Division [2] instead of Eastern Africa, though the organization states that "the assignment of countries or areas to specific groupings is for statistical convenience and does not imply any ...
Alfalfa (/ æ l ˈ f æ l f ə /) (Medicago sativa), also called lucerne, is a perennial flowering plant in the legume family Fabaceae.It is cultivated as an important forage crop in many countries around the world.
The pathogen that causes the disease spends part of its cycle in the red blood cells and triggers an abnormal drop in oxygen levels in the cell. In carriers, this drop is sufficient to trigger the full sickle-cell reaction, which leads to infected cells being rapidly removed from circulation and strongly limiting the infection's progress.
World map of Plasmodium falciparum endemicity in 2010 World map of Plasmodium vivax endemicity in 2010. The Malaria Atlas Project (MAP) is a nonprofit academic group led by Peter Gething, Kerry M Stokes Chair in Child Health, at the Telethon Kids Institute, Perth, Western Australia.
A sickle allele is always the same mutation of the beta-globin gene (glutamic acid to valine at amino acid six). In contrast, beta-thalassemia alleles can be created by many different mutations including both deletion and non-deletion forms.
Communist symbols have been banned, in part or in whole, by a number of the world's countries. [1] As part of a broader process of decommunization , these bans have mostly been proposed or implemented in countries that belonged to the Eastern Bloc during the Cold War , including some post-Soviet states .