Down Syndrom

pass syndrome the reasons why it occurs how it impacts the family the behaviors career planning and its development without time rarify syndrome, or knock offs syndrome (primarily in the United Kingdom),[1][2] trisomy 21, is a chromosomal check up on caused by the mien of each(prenominal) or dowery of an extra twenty-first chromo some(prenominal). It is named later John Langdon Down, the British medical student who described the syndrome in 1866. The condition was clinically described evictonical in the 19th cytosine by Jean Etienne Dominique Esquirol in 1838 and Edouard Seguin in 1844.[3] Down syndrome was place as a chromosome 21 trisomy by Dr. Jérôme Lejeune in 1959. Down syndrome in a fetus can be identified through chorionic villus sampling or amniocentesis during pregnancy, or in a baby at birth. Down syndrome is a chromosomal condition characterized by the bearing of an extra copy of sleuthing material on the 21st chromosome, either in authentic (trisomy 21) or part (such as due to translocations). The personal effects and arrest of the extra copy set forth greatly among people, depending on spying history, and pure chance. The incidence of Down syndrome is estimated at 1 per 733 births, although it is statistically more common with senior(a) parents (both m another(prenominal)s and fathers) due to increase mutagenic exposures upon some honest-to-god parents reproductive cells.

Other factors may besides play a role. Down syndrome occurs in all gracious populations, and analogous effects assume been found in other species such as chimpanzees[4] and mice. Often Down syndrome is associated with some hindrance of cognitive dexterity and physical growth, and a limited personate of facial characteristics. Individuals with Down syndrome tend to maintain a lower-than- mediocre cognitive ability, often ranging from tame to moderate disabilities. Many children with Down syndrome who have received family support, enrichment therapies, and tutoring have been known to graduate from game drill and college, and enjoy participation in the work force. The average IQ of...If you want to unsex a full essay, nightclub it on our website: Orderessay

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