Down's syndrome

From The School of Biomedical Sciences Wiki
Revision as of 22:03, 27 November 2010 by 102480193 (Talk | contribs)
Jump to: navigation, search

Down syndrome or trisomy 21 is a trisomic condition in which the zygote  gets (inherit) an extra chromosome 21 for a total of 47 chromosomes. it happens in about 1 in 800 births, a big proportion comparing with other syndromes. Down syndrome can be predicted but not prevented. The possibility to be born a baby with down syndrome  is increased when the mother is older. In Down syndrome  there are mental and physical disfunctions like heart disease, celiac disease, eye problems, hearing, skeletal intestinal problems, dementia and thyroid disfunctions. A Down person has some characteristics like flat face, short neck, abnormally shaped ears, poor muscle tone, small hands and feet.


References

http://kidshealth.org/parent/medical/genetic/down_syndrome.html#

http://www.nichd.nih.gov/health/topics/down_syndrome.cfm

http://www.nlm.nih.gov/medlineplus/downsyndrome.html

http://www.medicinenet.com/down_syndrome/article.htm

Personal tools
Namespaces
Variants
Actions
Navigation
Toolbox