Friday, September 27, 2013

Genetic Disorders and they become what they are.

In enact to understand about ancestral disorders integrity must start from the beginning. Cells argon the basis of the human body. In the jail cellphoneular telephone a nucleus is located. The nucleus is what controls the cell and is where most communicable material is located. Each cell is make up of 46 chromosomes. Chromosomes ar composed of deoxyribonucleic acid. Deoxyribonucleic acid is a chemical that carries cistrontic information. Located on the DNA string ar genes which are inherited from parents. When genes are passed to offspring diseases are also sometimes past to cause genetic disorders. catching Disorders are a mutation in a gene. Mutations are changes in the DNA sequence and can happen anytime, from being a unity cell to being 100 geezerhood old. There are several type of genetic mutations that occur, chromosome abnormalities, single- gene disorder, multifactorial disorder, and mitochondrial disorder. Chromosome abnormalities occurs when the chromosome or segment of the chromosome is missing, duplicated, or altered in a bearing that is not normal to it. An abnormal reckon of chromosomes is when nondisjunction occurs in the testicle and sperm cell. In nondisjunction copies of a chromosome do not in good order separate during division. When this happens twain copies of that particular chromosome are placed in the sex cell.
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When and if this cell is used it will come unitedly with one from another(prenominal) sex cell leaving third copies of this chromosome. Three copies of a chromosome are called trisomy. In most cases trisomy is fatal however in that location are some instances wher e it is allowed and when this happens a cau! se defect occurs. humble syndrome and Turners syndrome are casings of chromosome abnormalities. Down syndrome is genetic disorder that causes rational retardation, seventh cranial nerve disformations, and decreases muscle tone. The disorder happens on the twenty - inaugural chromosome. It is an example of... If you want to get a full essay, order it on our website: BestEssayCheap.com

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