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-introduction to blast syndrome - chromosomal dis golf-club- either to a fault fewer of too many chromosomes - delays in physical and intellectual development - prenatal disability - named afterward john Langdon down, the first compensate to identify the syndrome - one of the lede clinical causes of cognitive delay account statement of raft Syndrome (DS) * Evidence dating back to the 7th carbon A.D. that showed physical features of an individual with pop Syndrome.  * Portrait paintings from the 1500s that displayed children with a deck Syndrome-like facial appearance.  * Dr. pot Langdon Down in 1866 create the first complete physical description of Down Syndrome. * Researchers set the chromosomal abnormality that causes Down Syndrome in 1959. Prevalence * 13.7 per 10,000 births  * agnate age is linked to Down Syndrome. * Trisomic Down Syndrome occurs more in males. (59% males and 41% females)  * Translocation Down Syndrome occurs more in females. (74% females and 26% males)  * *The aetiology of this is unknown.  At age 20 the preponderance is 1 in 2,000 and at age 45 the prevalence is 1 in 20. (trisomy 21) No addd risk if in that location is an increase in maternal age if it is the translocation abnormality.

1/3 of persons with the translocation down syndrome inherit it from a p arent who is a carrier. chromosomal compendium can ID people that are carriers of the translocation. Early Intervention *  Women that are 35 years + are offered prenatal diagnostic enquiry for DS. (during 1st and 2n d trimesters). * Genetic counseling  ! * good ID at birth * Genetic counseling- if the pregnancy is continued then cardiac readying parental accommodations and appropriate medical evaluations of the infant is provided. * Easily ID at birth because of the physical features present. Most Common Characteristics of DS * 3 wield print patterns. * Brush field drifter (colored speckles in the marrow lid of the eye) * Ear...If you want to get a full essay, order it on our website: BestEssayCheap.com

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