• Ear Dis
    [19] sinus and duplication of ureters or bifid renal pelvices Branchio-Otic Syndrome [20] Branchial anomalies, preauricular sinus, and hearing loss with no renal dysplasia Branchio-Oto-Costal Conductive deafness, bilateral commissural Syndrome [21] lip and preauricular sinuses, unilateral branchial...
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  • What Is Down Syndrome
    cases of Down syndrome result from trisomy 21, which means each cell in the body has three copies of chromosome 21 instead of the usual two copies. The extra genetic material disrupts the normal course of development, causing the characteristic features of Down syndrome. A small percentage of cases...
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  • The Prince by Niccolo Machiavelli
    (Furthmayr et al., 1983). In humans, genes encoding for the α1 and α2 chain of type VI collagen (COL6A1 and COL6A2 respectively) are located on the long arm of Hsa21, 21q22.3, a region determined to be critical for CHD associated with trisomy 21 (Francomano et al., 1991). Investigators have shown...
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  • Down Syndrome
    rate of Leukemia. Although all children with Down syndrome have the extra portion of chromosome 21 in their cells, there are three forms of the syndrome. The vast majority with Down syndrome about 95 percent have Trisomy 21. It results from one of the parents giving two number 21 chromosomes...
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  • Down Syndrome 3
    extra copy of chromosome 21. Trisomy 21, the inheritance of an entire third copy of this chromosome, accounts for 95 percent of Down syndrome cases. Two other abnormalities each account for 2 to 3 percent of all cases. The first, translocation, takes place when a child inherits an extra piece of...
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  • Gattaca
    copies or gross breaks and rejoinings (translocations) can result in disease. Some types of major chromosomal abnormalities can be detected by microscopic examination. Down syndrome or trisomy 21 is a common disorder that occurs when a person has three copies of chromosome 21. Mitochondrial - This...
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  • Down
    are trisomy 21. ■ Maternal age influences the chances of conceiving a baby with Down syndrome. Cognitive development ■ The identification of the best methods of teaching each particular child ideally begins soon after birth through early intervention programs. Since...
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  • Down Syndrome
    Down Syndrome General Info : Causes: Research Today: Affects: Human Effect: Advantages/ Disadvantages Risks: Morgan Smith-Murray October 11, 2011 Pd.3 Biology 308 Down Syndrome also known as Trisomy 21, which is a genetic condition in which an...
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  • Omelas
    with the same disability and the girl of his dreams. Trisomy 21, known as Down syndrome is a condition in which extra chromosomes cause delays in the way a child develops mentally and physically. (Webster) Tom was bullied by many people because of his looks. Not everyone with Down syndrome looks the...
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  • psy201 nature_nuture worksheet
    Syndrome (Trisomy-21). Is this nature, nurture, or an interaction? nature Justify your answer: You can’t help how one is born maybe the jean is hereditary Patrick and Erick Patrick and Erick are identical twins. They were separated at birth, but then were reunited while in...
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  • Hartwell Genetics Ch. 13 Study Guide
    : |trisomy 21 | | |Difficulty:  2 | |15. |If a tetraploid derives...
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  • Pictures
    * What is Down syndrome? Down syndrome is a developmental disorder caused by an extra copy of chromosome 21 (which is why the disorder is also called "trisomy 21"). Having an extra copy of this chromosome means that each gene may be producing more protein product than normal. Cells seem to...
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  • Child Development
    established patterns with little variation. However, there are a number of things that can go wrong during this time, which are usually caused by genetics or environmental problems. Genetic Problems Down Syndrome – Also known as trisomy 21, Down syndrome is the most common genetic anomaly during...
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  • Judging People with Disabilities
    person has 47 chromosomes instead of the usual 46. The story was about a little girl name Rosa Marcelino. Rosa was diagnosed with Down syndrome and her form was called Trisomy 21, this is when there is an extra copy of chromosome 21, and the chromosome cause problem with the way the body and the brain...
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  • Down Syndrome
    also have the syndrome. The first World Down Syndrome Day was held on 21 March 2006 .The day and month were chosen to correspond with 21 and trisomy, respectively. It was recognized by the United Nations General Assembly in 2011. There are efforts to determine how the extra chromosome causes Down...
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  • Biology Easy
    condition Mild mental impairment or no effect Autosomal Change and Down Syndrome • The most common aneuploidy, trisomy 21, causes Down syndrome • Characteristics include upward-slanting eyes, slightly flattened facial features, and other symptoms • Trisomic 21 individuals tend to have moderate to...
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  • Biology Test 3 Study Guide
    or sister chromatids 
to separate during cell division 48. Why does nondisjunction lead to human disorders/syndromes? Name one. 49. Because they have an abnormal number of chromosomes. Trisomy 21 (Down syndrome) is an example 50. How can a karyotype help identify trisomy or monosomy?...
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  • Down Syndrome
    Down Syndrome (Trisomy 21) Down syndrome is a chromosomal condition associated with intellectual disability. It is caused by a chromosomal abnormality: for some unexplained reason, an accident in cell development results in 47 instead of the usual 46 chromosomes. On chromosome 21 there is...
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  • week4
    Chauncey almost drowning, he has really bad fears of hisself drowning in the pool again. This situation have him traumatized from this day forward knowing it was a life and death situation. Moriah Moriah was born with Down Syndrome (Trisomy-21). Is this nature, nurture, or an interaction...
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  • Down Syndrome
    a sample of DNA and view it on a micro-array or other similar methods. Ultimately they look for a third copy of chromosome 21. Every human has 2 copies of all (non sex) chromosomes and having a third or trisomy of chromosome 21 is confirmation of Down syndrome. Down syndrome is not a disease; it...
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