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Trisomy 21. Down syndrome (also known by the karyotype 47,XX,+21 for females and 47,XY,+21 for males) [98] is mostly caused by a failure of the 21st chromosome to separate during egg or sperm development, known as nondisjunction. [91] As a result, a sperm or egg cell is produced with an extra copy of chromosome 21; this cell thus has 24 ...
Jérôme Jean Louis Marie Lejeune (13 June 1926 – 3 April 1994) was a French pediatrician and geneticist, best known for his work on the link of diseases to chromosome abnormalities, most especially the link between Down Syndrome and trisomy-21 and cri du chat syndrome, amongst several others, and for his subsequent strong opposition to the improper and immoral use of amniocentesis prenatal ...
Machi (shaman) Mapuche machis in 1903. A machi is a traditional healer and religious leader in the Mapuche culture of Chile and Argentina. Machis play significant roles in Mapuche religion. In contemporary Mapuche culture, women are more commonly machis than men, but it is not a rule. Male machi are known as Machi Weye.
Contents. Mapuche. The Mapuche (/ məˈpuːtʃi / mə-POO-chee, [ 3 ]Mapuche and Spanish: [maˈputʃe]) are a group of indigenous inhabitants of south-central Chile and southwestern Argentina, including parts of Patagonia. The collective term refers to a wide-ranging ethnicity composed of various groups who share a common social, religious, and ...
Replica of a Diaguita ceramic bowl from northern Chile. Ricardo E. Latcham's theory posits Mapuches intruded from the east into the southern Diaguita lands.. A hypothesis put forward by Ricardo E. Latcham, and later expanded by Francisco Antonio Encina, theorizes that the Mapuche migrated to present-day Chile from the Pampas east of the Andes. [1]
Mapuche history. As an archaeological culture, the Mapuche people of southern Chile and Argentina have a long history which dates back to 600–500 BC. The Mapuche society underwent great transformations after Spanish contact in the mid–16th century. These changes included the adoption of Old World crops and animals and the onset of a rich ...
The Mapuche conflict (Spanish: conflicto mapuche) involves indigenous Mapuche communities, also known as the Araucanians, [ 1 ] located in Araucanía (Spanish name given to the historic region that the Mapuche inhabited in Chile) and nearby regions of Chile and Argentina. It is often referred to as a conflict between the Mapuche and the Chilean ...
A Mapudungun speaker. Mapuche (/ m ə ˈ p uː tʃ i / mə-POO-che, [3] Mapuche and Spanish:; from mapu 'land' and che 'people', meaning 'the people of the land') or Mapudungun [4] [5] (from mapu 'land' and dungun 'speak, speech', meaning 'the speech of the land'; also spelled Mapuzugun and Mapudungu) is an Araucanian language related to Huilliche spoken in south-central Chile and west-central ...