Down syndrome

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  • Down Syndrome

    Down syndrome affects 1 in every 691 births, a condition sometimes called trisomy 21, where a child inherits an extra copy of chromosome 21. Children born with Down syndrome have distinctive features such as: weak muscle tone, a small mouth held partially open because it is not big enough to accommodate for the tongue, and distinguishing eyelids. More serious deficiencies comprise of low resistance to infectious diseases, heart abnormalities, and fluctuating levels of mental retardation, in most cases severe. Information on Down syndrome, including signs, symptoms, and diagnosis; genetic information such as a detailed description on trisomy 21, and translocation; an expanded and comprehensive history on Down syndrome; modern-day individuals…

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  • Down Syndrome Essay

    Understanding Down Syndrome: The chromosome abnormality Down Syndrome (DS) takes place when an individual has a full or partial extra copy of chromosome 21. Down syndrome is a mental disability that can affect a person 's personality, health, and physical appearance. Women can catch this genetic disorder early in pregnancy by diagnostic testing. Although both parents are carriers of DS the mother 's age can make the percentage of the baby having Down syndrome higher. Children with DS have…

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  • Causes Of Down Syndrome

    Down Syndrome affects physical growth, facial characteristics, and intellect. Also known as Trisomy 21, it is a genetic mutation in which a person is born with an extra chromosome. These chromosomes are rod-like structures where genetic materials are stored and grouped. The nucleus of each cell in the human body contains 23 chromosomes, half, being inherited from each parent. The added chromosome changes the systematic development, affecting not only physical traits but mental as well. Common…

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  • Down Syndrome In Children

    division in early embryo development can cause Down syndrome also called Downs Syndrome named from John Langdon Down, an English Physician, who wrote about it in 1866. A child born with this defect has an extra or abnormal chromosome 21.this changes the way the body and brain develops, and depends on the type of down syndrome and how may cell shave an abnormal chromosome 21. Experts believe that changes often occur before conception in the woman’s egg and less of ten in the sperm. The type of…

    Words: 1033 - Pages: 5
  • What Is Down Syndrome?

    congenital disorder that creates an extra portion or copy of the 21st chromosome. This disorder is called Down syndrome. It is the most commonly occurring chromosomal condition. People who are born with Down syndrome usually have a flat face ,Protruding tongue, Upward slanting eyes, Unusually shaped or small ears, Poor muscle tone, Broad, short hands with a single…

    Words: 883 - Pages: 4
  • Essay On Down Syndrome

    Down-Syndrome Do you ever see other people and wonder why they act and look so differently? Their is a genetic disorder by the name of Down-Syndrome. Down-Syndrome is a condition in which a person has 47 chromosomes while others have 46 it is also the most common chromosome condition. People with this disorder may have the facial features of flat face, small nose, upward slant eyes, enlarged tongue and may appear shorter than others. Kids with Down-Syndrome tend to grow at a slower rate. You…

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  • Characteristics Of Down Syndrome

    Background: What is Down Syndrome? Down Syndrome is a chromosomal disorder caused by an error in cell division that results in an extra twenty-first chromosome, that causes birth defects of developmental and intellectual delays. The human body is composed of trillions of cells and within the nucleus of each cell are structures called chromosomes (Parks, 2009). About eight million babies are diagnosed with Down Syndrome in the United States with approximately twenty thousand in Western Europe…

    Words: 1915 - Pages: 8
  • What Is Down Syndrome Essay

    States is born with Down syndrome- about 6,000,000 people each year.” Down syndrome is one of the more known genetic disorders with more than 38% of Americans know someone who suffers from it. Also known as other names such as Trisomy 21, 47XX+21, and 47Xy+21. Down syndrome was first identified in 1862 by physician John Langdon Down, who the condition is named after. However, it was not identified as a chromosomal irregularity until Jèrôme Lejeune and an amazing team of geneticists discovered it…

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  • Down Syndrome: A Genetic Disease

    “Down syndrome is a genetic disorder caused when abnormal cell division results in extra genetic material from chromosome 21. This genetic disorder, which varies in severity, causes lifelong intellectual disability and developmental delays, and in some people it causes health problems. Down syndrome is the most common genetic chromosomal disorder and cause of learning disabilities in children.” ("Down Syndrome - Mayo Clinic") History: Down Syndrome was discovered in 1866 by a British…

    Words: 1281 - Pages: 6
  • Research Paper On Down Syndrome

    Down syndrome is one of the most common genetic disorders. Down syndrome is a genetic disorder where a person is born with an extra copy of chromosome 21. Down syndrome is a form of mental retardation. In the United States about 4,000 children are being born with this condition annually. One in about every 900 births is effected, making it the most common birth defect. There are three genetic variations that cause this disorder: trisomy 21, Mosaic Trisomy 21, or Translocation Trisomy 21. There…

    Words: 1884 - Pages: 8
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