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How did hela cells make it possible to diagnose trisomies like down syndrome?
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Turner's syndrome individuals have which genotype?
A person with Turner's syndrome has a missing or damaged X chromosome in some or all of their cells. There are two possible karyotypes with Turner syndrome - 45X (The second X is missing from all cells) and 45X/46XX (The second X is missing from some cells).
Klinefelter syndrome can result from?
Klinefelter syndrome can result from errors in cell division of sperm or egg cells. With this syndrome, each of the cells of the person affected will have an extra X chromosome.
What type of Down syndrome is 'Mosaic'?
its where some cells are "down syndrome" cells and some are "typical" cells. meaning some cells have three sets of the 21st chromosome and some have the normal 2 sets.
How may Lambert-Eaton myasthenic syndrome be considered a paraneoplastic syndrome?
the immune system produces immune cells in response to the presence of early cancer cells which cross-react with the calcium channels on nerve cells
How do the cells of people with down syndrom differ from those of others?
People with down syndrome have cells with an extra chromosome 21.
Which condition results when cells receive three copies of chromosomes 21?
Down syndrome results when cells receive three copies of chromosome 21.
What is the occurrence of Johnson Syndrome?
Johnson Syndrome in a deadly and life threatening illness. It affects the skin, Johnson Syndrome occurs when cells die. It is usually caused by drugs and medication.
Heinz bodies in red blood cells?
they are present in the asplenic syndrome
Are stem cells good for someone who has infantile spasm syndrome?
Infantile spasm syndrome is a seizure disorder that affects infants. Some unscrupulous physicians are giving stem cells to infants with the syndrome as a potential \"cure\". However, according to the National Institute of Health Stem Cell Treatment Center, research on stem cells in not advanced enough to represent a cure for this condition. Stem cells have been forced to create brain cells in the laboratory, but this research is a long way from being placed in a living human as a cure for infantile spasm syndrome.
How are the cells of a person with Down syndrome different from those of a person without Down syndrome?
In Down syndrome, a person's cells have an extra copy of chromosome 21. In other words, instead of a pair of chromosomes, a person with down syndrome has three of that chromosome. Down syndrome most often occurs when chromosomes fail to separate properly during meiosis. People with down syndrome have a degree of mental retardation. Heart defects are also common, but can be treated.
Are there different types of turner syndrome?
There are 3 types of Turner syndrome Classic Turner syndrome - 45X - second X chromosome missing from all cells. Mosaic Turner syndrome - 45X/46XX - second X chromosome missing from some cells. The third type of Turner syndrome is when the second X chromosome is damaged or only partly missing.
Does turner's syndrome occur in all cells?
No, only the gametes would be indicative of sterility. It is possible that the individual (though incredibly rare) to have "chimera" syndrome, where two non-identical twins merge to form one fetus. Turner's Syndrome is the absence of the male sex chromosome BTW. That chromosome carries little genetic information, and is possible during mitosis to "loose" it, but still create a mostly viable cell.
