Down syndrome is one of the most frequently occurring birth defects in the world. It is a chromosomal abnormality which results in 47 chromosomes, instead of 46, with an extra chromosome being 21. Because the majority of Down syndrome cases affect the twenty-first chromosome, it is commonly called "trisomy 21." Down syndrome is usually caused by a cell division error, which is known as non-disjunction. This occurs when an embryo develops with three number 21 chromosomes instead of two. This …
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showed last 75 words of 473 total
…community organizations, and more people will interact with these individuals. Therefore, there is an increasing need for education and acceptance of people with this syndrome. Works Cited Unknown author. "Down Syndrome. Public Health Education Information Sheet." [Online] Available http://babynet.ddwi.com/tlc/ pregnancy/downsynd.html.html, March 25,1993. Unknown author. "Down Syndrome." [Online] Available http://www.geneseo.edu/~tmm2/ Downsyndrome.html Unknown author. "Down Syndrome:For New Parents." [Online] Available http:// geocities.com/heartland/prairie/3272