Down Syndrome Report

        The chromosomal brachydactylousity involved in most cases of subjugate syndrome is trisomy-21, or the presence of three copies of the 21st chromosome. As a result, the affected person has 47 chromosomes in all remains cells instead of the normal 46, although how this causes the conditions symptoms is non yet known. Scientists assume that the discernment for the abnormal chromosomal compartmentalisation is the fertilization of an egg cell having 24 chromosomes by a sperm with a normal variety of 23, but they have also found that the sperm merchant ship carry the extra chromosome as well. The abnormal ovum or sperm is derived from a germ cell in which the harmonise of 21st chromosomes holds together and passes into the same sperm or ovum instead of separating. In the type of beat syndrome called translocation, the extra chromosome 21 material is attached to one of the other chromosomes; when some, but non all, of the bodys cells carry an extra c hromosome 21, the condition is a type of get the hang syndrome called mosaicism.         Because of the extra chromosome 21, children with humble syndrome often have some role physical features, such(prenominal) as a small head, a suave face, slightly upward slanted eyelids, skin folds at the inner corners of the eyes, small nose and mouth, and small hands and feet.

some of these symptomatic do not interfere with the childs functioning, a heal in the beginning uses the characteristics for diagnostic purposes. These physical features atomic number 18 variable, and children with Down syndrome argon usually more like other children than they are different.    Â Â Â Â Â Â Individuals with Down syndrome ! also often have certain checkup conditions such as weak muscles, neurological impairments, heart disease, enteric abnormalities, under the weather functioning thyroid gland, eye abnormalities, sense of hearing problems, and skeletal problems. well-nigh all children with Down syndrome are mentally retarded, in the temperate to... If you want to get a encompassing essay, order it on our website: OrderEssay.net

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