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please explain the importance of missing chromosone 7


Posted by suewitz

what is the importance is chromosome 7 and then it comes up missing?

 

 
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Every person normally has two copies of chromosome7 that forms a pair. One copy inherited from each parent. Chromosome contains genes which perform a variety of different roles in the body.

Changes in number or structure of chromosome7 occur in human cancers. Many forms of cancers are associated with damage to chromosome7. In particular, changes in chromosome7 have been identified in cancers such as leukemias and lymphomas. Partially loss or whole copy of chromosome7 will lead to disease of blood and bone marrow. Person with this disorder will have an increased risk of having leukemia. Genes on chromosome7 play critical role in controlling growth and division of cells.  Without these genes, cells could grow in an uncontrollable way resulting in cancerous tumour.

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