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Sunday, January 19, 2014

Cri Du Chat

Mrs. Travis Biology 11/10/12 Cri du chat is paladin of the closely common syndromes caused by chromosomal cut, affecting amongst one(a) in twenty-thousand and one in fifty-thousand pincerren. Jerome Lejeune a geneticist place Cri du chat syndrome in the year 1963 he is also the somebody who discovered the genetic anomalousity which causes Down syndrome. The syndromes name is French for waul of the kat and refers to the distinctive cry peasantren with the disorder boast. The cry is caused by an abnormal development of a childs voice box when they have the syndrome, that commonly becomes noniceable as they become older which faeces make it more difficult for a doctor to turn up Cri du chat past the age of two. The syndrome is caused by a track on the short arm of chromosome five. A number of genes be missing due to the cutting, and each can contribute to the symptoms the child experiences. One of the deleted genes that is known to be involved is referred t o as TERT or telomerase reverse transcriptase, which is important during cell division because it assists in remembering the tips of chromosomes in tact. Additional names Cri du chat is referred to by include, Chromosome 5p deletion syndrome, 5p minus syndrome and Cat cry syndrome.
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Cri du chat is one of the near common syndromes caused by chromosomal deletion, affecting between one in twenty-thousand and one in fifty-thousand children. Eighty percent of children interchange by the syndrome experience chromosome deletion that comes from their fathers sperm rather than their mothers egg. When these deletions in th e childs chromosomes occur during the format! ion of sperm or an egg it is caused by an unequal recombination during meiosis. Recombination usually happens between pairs of chromosomes during meiosis while on that point are television channeld up at the metaphase plate. If the pairs of chromosomes do non line up as they should or if the chromosome breaks are not repaired suitably the structure of the chromosome may be altered....If you want to find oneself a full essay, order it on our website: OrderCustomPaper.com

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