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Hemophilia is caused by a [[mutation]] in a [[gene]] involved in the synthesis of clotting factor proteins. | Hemophilia is caused by a [[mutation]] in a [[gene]] involved in the synthesis of clotting factor proteins. | ||
==Causes== | ==Causes== | ||
*Hemophilia is caused by a [[mutation]] or change, in one of the genes, that provides instructions for making the clotting factor proteins needed to form a blood clot. This change or [[mutation]] can prevent the clotting protein from working properly or to be missing altogether. These genes are located on the X Chromosome. Males have one X and one Y chromosome (XY) and females have two X chromosomes (XX). Males inherit the X chromosome from their mothers and the Y chromosome from their fathers. Females inherit one X chromosome from each parent. A defect in one of the [[genes]] that determines how the body makes blood clotting factor VIII or IX causes hemophilia. These genes are located on the X chromosomes.<ref> | *Hemophilia is caused by a [[mutation]] or change, in one of the genes, that provides instructions for making the clotting factor proteins needed to form a blood clot. This change or [[mutation]] can prevent the clotting protein from working properly or to be missing altogether. These genes are located on the X Chromosome. Males have one X and one Y chromosome (XY) and females have two X chromosomes (XX). Males inherit the X chromosome from their mothers and the Y chromosome from their fathers. Females inherit one X chromosome from each parent. A defect in one of the [[genes]] that determines how the body makes blood clotting factor VIII or IX causes hemophilia. These genes are located on the X chromosomes.<ref>Centers for Disease Control and Prevention. Hemophilia Fact Sheet. Accessed on August 31, 2015 http://www.cdc.gov/ncbddd/hemophilia/facts.html</ref>[[Image:Hemophilia-genes_(1).jpg |200px|thumb|center|Hemophilia genes]][[Image:Layout_v22_(1).jpg |200px|thumb|center|Hemophilia genes]] | ||
==References== | ==References== | ||
{{reflist|2}} | {{reflist|2}} | ||
Revision as of 19:32, 31 August 2015
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Simrat Sarai, M.D. [2]
Overview
Hemophilia is caused by a mutation in a gene involved in the synthesis of clotting factor proteins.
Causes
- Hemophilia is caused by a mutation or change, in one of the genes, that provides instructions for making the clotting factor proteins needed to form a blood clot. This change or mutation can prevent the clotting protein from working properly or to be missing altogether. These genes are located on the X Chromosome. Males have one X and one Y chromosome (XY) and females have two X chromosomes (XX). Males inherit the X chromosome from their mothers and the Y chromosome from their fathers. Females inherit one X chromosome from each parent. A defect in one of the genes that determines how the body makes blood clotting factor VIII or IX causes hemophilia. These genes are located on the X chromosomes.[1]
Hemophilia genes 
Hemophilia genes
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References
- ↑ Centers for Disease Control and Prevention. Hemophilia Fact Sheet. Accessed on August 31, 2015 http://www.cdc.gov/ncbddd/hemophilia/facts.html