Traduction et analyse de mots par intelligence artificielle ChatGPT
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hyperploid$36780$ - traduction vers néerlandais
![[[Karyogram]] from a normal male human](https://commons.wikimedia.org/wiki/Special:FilePath/Human male karyotype.gif?width=200 "[[Karyogram]] from a normal male human")
![Example of [[Trisomy 21]] detected via [[quantitative PCR]] [[short tandem repeat]] assay](https://commons.wikimedia.org/wiki/Special:FilePath/Trisomy Detection in GeneMarker.jpg?width=200 "Example of [[Trisomy 21]] detected via [[quantitative PCR]] [[short tandem repeat]] assay")
Définition
Wikipédia
Aneuploidy is the presence of an abnormal number of chromosomes in a cell, for example a human cell having 45 or 47 chromosomes instead of the usual 46. It does not include a difference of one or more complete sets of chromosomes. A cell with any number of complete chromosome sets is called a euploid cell.
An extra or missing chromosome is a common cause of some genetic disorders. Some cancer cells also have abnormal numbers of chromosomes. About 68% of human solid tumors are aneuploid. Aneuploidy originates during cell division when the chromosomes do not separate properly between the two cells (nondisjunction). Most cases of aneuploidy in the autosomes result in miscarriage, and the most common extra autosomal chromosomes among live births are 21, 18 and 13. Chromosome abnormalities are detected in 1 of 160 live human births. Autosomal aneuploidy is more dangerous than sex chromosome aneuploidy, as autosomal aneuploidy is almost always lethal to embryos that cease developing because of it.
