Essays Tagged: "extra chromosome"
Down Syndrome Report
es by a sperm with a normal assortment of 23, but they have also found that the sperm can carry the extra chromosome as well. The abnormal ovum or sperm is derived from a germ cell in which the pair o ... he same sperm or ovum instead of separating. In the type of Down syndrome called translocation, the extra chromosome 21 material is attached to one of the other chromosomes; when some, but not all, of ...
Subjects: Humanities Essays > Health & Medicine > Diseases
Down syndrome
Down's syndrome is a genetic condition involving an extra chromosome, this change occurs around the time of conception. A person with Down's syndrome ha ... tween Down syndrome and Alzheimer's disease. There appears to be a gene-dose effect where having an extra chromosome 21 gives an individual a higher chance of developing Alzheimer's disease. (Newton, ... ones Institute may have the option to screen for Down and most of the other conditions caused by an extra chromosome on one of 23 pairs that make up the normal complement. The technique has been devel ...
Subjects: Social Science Essays > Education
Down Syndrome by Ali Oterrab, describes the definition of down syndrome, the causes and the symptoms.
Down Syndrome is a disorder caused by an extra chromosome on the chromosome 21 pair, giving the person a total of 47 chromosomes rather than ... rder results in mild to severe learning disabilities and physical symptoms including a small skull, extra folds of skin under the eyes, and a flattened nose bridge. The condition was formerly known as ... inappropriate so it's no longer used.Down syndrome happens when a person inherits all or part of an extra copy of chromosome 21. This can occur in a variety of ways, but the causes of it are unknown. ...
Subjects: Science Essays > Mental Health
Down Syndrome
parent is over 40 or for someother reason their meiosis is not 'Up to par.'The actual defect is an extra chromosome is developed duringcell development. The abnormal development results in 47chromoso ... e abnormal development results in 47chromosomes rather than the usual 46 (23 from each parent).This extra gene causes problems in the child's physical andmental development. There are an estimated 500 ...
Subjects: Science Essays > Biology
Down's syndrome - cause, description, and management
cognizable physical features and limited intellectual abilities which are due to the presence of an extra chromosome 21. It is due to abnormal development of the fetus. Scientists are still learning a ... t is due to abnormal development of the fetus. Scientists are still learning about what causes this extra genetic material and exactly how it causes the problems of Down syndrome. "The estimated incid ...
Subjects: Science Essays > Mental Health
Down Syndrome
ic classes, and gender. In Britannica.com, Down Syndrome is defined as a "congenital disorder by an extra chromosome on the chromosome 21 pair." Although there are many theories that have been forward ...
Subjects: Social Science Essays > Psychology > Common Disorders
Work Cited 1.
tic birth defects, affecting approximately one in 800 to 1,000 babies. It generally is caused by an extra chromosome, the structures in cells that contain the genetic information (genes). According to ... in total. Sometimes, an accident occurs when an egg or sperm cell is forming, causing it to have an extra chromosome number 21. When this cell contributes the extra chromosome 21 to the embryo, Down s ...
Subjects: Humanities Essays > Health & Medicine
Down Syndrome Report.
What is Down syndrome?Down syndrome is a chromosomal disorder characterized by the presence of an extra #21 chromosome. Instead of having 46 chromosomes in each of his/her cells, a person with Down ... Instead of having 46 chromosomes in each of his/her cells, a person with Down syndrome has 47. The extra chromosome may be derived from either the egg or the sperm. It is believed that during cell di ...
Subjects: Humanities Essays > Health & Medicine > Diseases
This Essay is on downs syndrom. It has causes of the disease, different treatments and how families cope with the disease.
mosomes: 23 from the mother and 23 from the father. In most cases of Down syndrome, a child gets an extra chromosome, for a total of 47 chromosomes instead of 46. This added chromosome alters the cour ... res, with a small nose, upward slant to the eyes, small skin folds on the inner corner of the eyes, extra space between the big toe and the second toe, enlarged tongue that tends to stick outThere are ...
Subjects: Humanities Essays > Health & Medicine > Diseases
Down syndrome 2
the world. It is a chromosomal abnormality which results in 47 chromosomes, instead of 46, with an extra chromosome being 21. Because the majority of Down syndrome cases affect the twenty-first chrom ...
Subjects: Humanities Essays > Health & Medicine > Diseases
Essay on Down's Syndrome
ejeune proved that Down's Syndrome was a chromosomal irregularity. Lejeune noted the presence of an extra chromosome 21 and it was later discovered that additional chromosomal material was the associa ... s Syndrome have 47 chromosomes instead of the usual 46 chromosomes. The cause is the presence of an extra copy of chromosome 21. This can occur as a whole extra chromosome or as extra parts of the chr ...
Subjects: Science Essays > Mental Health
Down syndrome
all ethnicity, social economic classes, and gender which is defined as a "congenital disorder by an extra chromosome on the chromosome 21 pair." Although there are many theories that have been develop ... in the ovaries and testicles.Down syndrome is a chromosomal disorder occurred by the presence of an extra #21 chromosome. Instead of having 46 chromosomes in each of his/her cells, a person with Down ...
Subjects: Science Essays > Biology > Human Biology
Down Syndrome
SyndromeIn humans, there are 23 pairs of chromosomes, which are all numbered. Sometimes there is an extra chromosome 21, or at least part of it. Although this may not seem like a big deal, this causes ... e count to be 47 instead of the normal 46. This is a type of Aneuploidy, which is when there is one extra or one less of a certain chromosome.Translocation is when a piece of one chromosome breaks off ...
Subjects: Science Essays > Mental Health
abc company
3;Alternative MedicineDown SyndromeDown syndrome is a genetic disorder caused by the presence of an extra chromosome (or part thereof) on chromosome pair 21, so that the cells of the people have three ... urgery.The least frequent (1%) of the problems include mosaic trisomy, that is, situations where an extra chromosome appears only in some cells. Down syndrome occurs in people throughout the world reg ...
Subjects: Art Essays