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trisomies
- Down Syndrome (National Library of Medicine)... an extra copy of a chromosome is called trisomy. So sometimes Down syndrome is also called trisomy 21. Down syndrome is usually not inherited. It ...
- Trisomy 18, also called Edwards syndrome, is a chromosomal condition associated with abnormalities in many parts of the body. Individuals with trisomy 18 often ...
- Trisomy 13, also called Patau syndrome, is a chromosomal condition associated with severe intellectual disability and physical ... in many parts of the body. Individuals with trisomy 13 often have heart defects, brain or spinal ...
- Trisomy X, also called triple X syndrome or 47,XXX, is characterized by the presence of an ... causes no unusual physical features. Most females with trisomy X have normal sexual development and are able ...
- Trisomy 13 (also called Patau syndrome) is a genetic disorder in which a person has 3 copies ... Trisomy 13 occurs when extra DNA from chromosome 13 appears in some or all of the body's ...
- Trisomy 18 is a genetic disorder in which a person has a third copy of material from ... Trisomy 18 occurs in 1 in 6000 live births. It is 3 times more common in girls ...
- ... due to a problem such as: Down syndrome (trisomy 21) Edwards syndrome (trisomy 18)
- ... 21. This form of Down syndrome is called trisomy 21. The extra chromosome causes problems with the ...
- Klinefelter syndrome, also called 47,XXY, is a genetic condition that occurs in males when they have an extra X chromosome. This can ...
- ... syndrome (KS) Klinefelter's syndrome XXY syndrome XXY trisomy Genetic Testing Registry: Klinefelter syndrome 47, XXY Klinefelter ...