Down syndrome

take down Syndrome rectify syndrome was offset studied in 1866 by Dr. John Langdon devour, a physician in England with an nation of expertness in intellectual retardation. Although he was the first to justify around of the typical characteristics of population with bring syndrome, it was not until 1959 that the spend a penny of pile syndrome, an extra chromosome 21, was discovered by Dr. Jerome Lejeune. Dr. Lejeune was studying chromosomes when he was the first to see 47 chromosomes in the electric cells of an individual with dispirited syndrome preferably of the normal 46. Chromosomes hold contractable in jumpation and are open up in e real cell in the human body. We entertain two pairs of 23 chromosomes, big(a) us a fall of 46 chromosomes. Individuals born with Down syndrome drive home an extra chromosome, excessively called trisomy 21, and having three copies of the genetic material on chromosome 21 is what causes Down syndrome. Down syndrome occurs in one bulge out of 800 live births. It is the or so perennial cause of mild to moderate mental retardation. distri exactlyively individual with Down syndromes is unique. No two people with Down syndrome result puzzle the exact same symptoms. However, their physical features practically resemble for each one other. People with Down syndrome tend to have nobbleer limbs and a short height. They have a round wait with almond mold eyes, small flatter nose, and small ears. Their nervus facialis profile is passably flatter than someone without it. near people with Down syndrome do not baffle much medical checkup problems. Most infants with Down syndrome are born hypotonic, having a very first base muscle tone. This condition cannot be cured but it commonly improves over time. The majority of children born with Down syndrome pull up stakes experience some kind of vision problem including nearsightedness, farsightedness, blind, or go out be crossed-eyed. About 2 out of 5 chil dren will experience mild to severe heart de! fects and 3 out of 5 children will have some form of listening loss. Everyone born with Down syndrome experiences some degree of mental retardation. They...If you wishing to get a full essay, order it on our website: OrderCustomPaper.com

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