eat up Syndrome encompass Down Syndrome Report by: take SUX The chromosomal geometrical irregularity involved in almost cases of Down syndrome is trisomy-21, or the front of three copies of the 21st chromosome. As a result, the affected someone has 47 chromosomes in either personate cells instead of the ordinary 46, although how this causes the conditions symptoms is non yet known. Scientists assume that the stern for the abnormal chromosomal salmagundi is the fertilization of an egg cell having 24 chromosomes by a sperm cell with a normal form of 23, save they have overly found that the sperm fag end carry the otiose chromosome as well.
The abnormal ovum or sperm is derived from a germ cell in which the duet of 21st chromosomes holds in concert and passes into the same sperm or ovum instead of separating. In the type of Down syndrome called translocation, the especial(a) chromosome 21 material is addicted to one of the other chromosomes; when some, but not all, of the bodys cells carry an special(a) chro...If you want to get a near essay, order it on our website:
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