Down syndrome

take down Syndrome
rectify syndrome was offset studied in 1866 by Dr. John Langdon devour, a physician in England with an area of expertness in intellectual retardation. Although he was the first to explain around of the typical characteristics of population with Down syndrome, it was not until 1959 that the cause of Down 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 cells of an individual with Down syndrome preferably of the normal 46. Chromosomes hold genetic in jumpation and are open up in e real cell in the human body. We entertain two pairs of 23 chromosomes, giving 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 out of 800 live births. It is the or so recurrent cause of mild to moderate mental retardation.
distri exactlyively individual with Down syndromes is unique. No two people with Down syndrome result have the exact same symptoms. However, their physical features practically resemble each other. People with Down syndrome tend to have shorter limbs and a short height. They have a round wait with almond shaped eyes, small flatter nose, and small ears.



Their nervus facialis profile is somewhat flatter than someone without it. Most people with Down syndrome do not experience much medical checkup problems. Most infants with Down syndrome are born hypotonic, having a very low muscle tone. This condition cannot be cured but it normally improves over time. The majority of children born with Down syndrome will experience some kind of vision problem including nearsightedness, farsightedness, blind, or will be crossed-eyed. About 2 out of 5 children will experience mild to severe heart defects and 3 out of 5 children will have some form of hearing loss. Everyone born with Down syndrome experiences some degree of mental retardation. They...If you want to get a full essay, order it on our website: Orderessay



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