Down's Syndrome: Difference between revisions
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Down's Syndrome is a genetic disorder caused by [[Trisomy|trisomy]] in [[Chromosome 21|chromosome 21]], which is in turn a result of [[Post-miotic nondisjunction|post-miotic nondisjunction]] occuring. [[Trisomy|Trisomy ]]21 is a rare conditon, occuring in one in six hundred children. However, this is more likely to decrease once a mother is over forty. A charcteristic of a | Down's Syndrome is a genetic disorder caused by [[Trisomy|trisomy]] in [[Chromosome 21|chromosome 21]], which is in turn a result of [[Post-miotic nondisjunction|post-miotic nondisjunction]] occuring. [[Trisomy|Trisomy ]]21 is a rare conditon, occuring in one in six hundred children. However, this is more likely to decrease once a mother is over forty. A physical charcteristic of a person with this disease is mental retardation, a flattened nose, a long toungue, a flat back of the head, broad hands with short fingers<ref>NHS Down's Syndrome Characteristics. Reviewed: 30/04/2017 [cited:05/12/2017]. Available at: https://www.nhs.uk/conditions/downs-syndrome/characteristics/</ref> and small feet. These children also tend to have a shorter life span<ref>Kevin T.Patton, Gary A.Thibodeau (2010) Anatomy &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp; Physiology, 19th edition, US: Mosby, Inc.., an affiliate of Elsevier Inc. Chapter 6, page 1120.</ref>. | ||
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=== References === | === References === | ||
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Revision as of 00:08, 6 December 2017
Down's Syndrome is a genetic disorder caused by trisomy in chromosome 21, which is in turn a result of post-miotic nondisjunction occuring. Trisomy 21 is a rare conditon, occuring in one in six hundred children. However, this is more likely to decrease once a mother is over forty. A physical charcteristic of a person with this disease is mental retardation, a flattened nose, a long toungue, a flat back of the head, broad hands with short fingers[1] and small feet. These children also tend to have a shorter life span[2].
References
- ↑ NHS Down's Syndrome Characteristics. Reviewed: 30/04/2017 [cited:05/12/2017]. Available at: https://www.nhs.uk/conditions/downs-syndrome/characteristics/
- ↑ Kevin T.Patton, Gary A.Thibodeau (2010) Anatomy &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp; Physiology, 19th edition, US: Mosby, Inc.., an affiliate of Elsevier Inc. Chapter 6, page 1120.