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What is Down Syndrome? A genetic disease when one parent passes down an extra 21st chromosome. Cuased by nondisjunction during meiosis
Physical Characteristics: Head: round with back flattened, small nose: flat and small mouth: small with large tounge eyes: slanted up hands and feet: small, one large crease in palm weak muscle structure
Health Conditions: social retardation heart disease hearing imparements intestine disfunction dementia thyroid malfunction ceilac disease
Trisomy 21 (aka) Down Syndrome
Animals can have trisomy 21 too
As a woman gets older, her chances of having a child with down syndrome increase 1 : 1,250 women 25 and younger 1 : 100 at age 40 1 : 25 at age 45 women who are older that have babies are recommended to get tested to see if their child has down syndrome some women abort the baby and others prepare themselves and keep the baby
Learning About Down Syndrome
karyotype of trisomy 21
There is no cure to down syndrome If education and improvement is made at an early age, live successfully as adults It is important to have young children with down syndrome in tutoring for speech and educaion at a very young age it is good for children to interact with children their own age and go to a regular school
sources: http://www.mamashealth.com/syndrome/downsyn.asp http://www.nichd.nih.gov/health/topics/down_syndrome.cfm http://www.ncbi.nlm.nih.gov/pubmed/11478542 http://learn.genetics.utah.edu/content/disorders/whataregd/down/ http://www.nads.org/pages_new/facts.html
Quality of life: Down syndrome is not contagious, nor deadly but has a decreased life expectency. They live to around 50 Children with down syndrome cannot always interact with people their own age if it is not The families whose lives are affected by down syndrome must dedicate lots of time to helping a child, so they can grow up with lets imparments most children with trisomy 21 get to graduate high school
