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By Alex Gunn, Carter Watt, and Owen Koorbusch.  The common name is known as Down Syndrome  Scientifically known as Trisomy 21 when the 21 st chromosome.

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Presentation on theme: "By Alex Gunn, Carter Watt, and Owen Koorbusch.  The common name is known as Down Syndrome  Scientifically known as Trisomy 21 when the 21 st chromosome."— Presentation transcript:

1 By Alex Gunn, Carter Watt, and Owen Koorbusch

2  The common name is known as Down Syndrome  Scientifically known as Trisomy 21 when the 21 st chromosome is replicated 3 times instead of 2

3  95 percent of Down Syndrome patients caused by Nondisjuction or a extra replication.  5 percent is caused by abnormal replication of cells  This form of Down Syndrome is called Mosaicism.

4  No carrier for the condition  Down Syndrome occurs in about 1 of 800 live births.

5  At birth: Tend to be overly quiet, less responsive to stimuli, weak floppy muscles.  Physical signs: flat appearing face, small head, small mouth causes tongue to stick out, up and slanty eyes.  Mental signs: slower than average human. Yet capable of living productive lives.

6  Is usually suspected at birth.  If the physical signs are shown, genetic testing occurs.

7  Some scientists believe that a vitamin treatment can improve down syndrome  Large doses of the vitamin E are being crucial.

8  There is no cure available but most live productive lives.  90% of children diagnosed with down syndrome live past their teens.  The average age is 50-55.

9  Mothers under the age of 35 with one down syndrome affected child have a 1% chance that a 2 nd child will be affected as well.  Affects 1 in every 800 children in the United States.  Most children affected can perform most usual childhood things such as walking, talking, dressing and being toilet-trained.

10  1. What is the scientific name for Down Syndrome?  2. Name the specific way Down Syndrome is inherited?  3. What is the ratio of Down Syndrome in humans?  4. What vitamin is helpful against the effects Down Syndrome patients?  5. What is the average age of those with Down Syndrome?


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