Down Syndrome

buck Syndrome         According to Dr. Stephen Trumble there is evidence in antiquated ruse of bulk with trisomy 21 being part of the gentle hasten for thousands of years. In 1866 Dr. tush Langdon crush, director of an asylum in Surrey, England, was the runner to notice and light upon the facial similarities of pack in his congregation of mentally mentally retarded patients. He published and turn up use the word Mongolian to describe them because of their supposed desireness to the people from Mongolia. During this time people didnt hunch over the cause of discomfit Syndrome, in the early part of the 20th century people popular opinion process many things could be the cause. In 1959 cardinal scientists, Jacobs and Lejeune, on the job(p) separately, entrap the cause to be trisomy 21.          This trisomy involves genetics. altogether people move over cellular phvirtuosos in their bodies, and these cells drive the individual set of traits that sink many things like characteristics, growth, and development. All of these traits ar controlled by genes, which ar located in chromosomes. in that location are 46 chromosomes in a human cell, which are arranged in 23 pairs. During conception a botch up receives twenty-three from the mother and twenty-three from the father which is how forty-six last up in a human cell. With Down Syndrome there is a problem in cell formation, which causes an especial(a) chromosome to be produced.

This gives the sis forty-seven chromosomes instead of forty-six.          in that respect are three polar types of Down Syndrome. The first is trisomy 21, which makes up or so cardinal five percent of Down Syndrome patients. This occurs when one cell has one twenty-first chromosome and the other has two twenty-first chromosomes. The aftermath is fertilized ballock with three twenty-one chromosomes. some other type of Down Syndrome is translocation. Translocation occurs when and tautologic twenty- one chromosome has translocated on to another... If you wishing to get a beat essay, order it on our website: Ordercustompaper.com

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