Besides trisomy 21, what other chromosomal abnormalities are associated with Down syndrome?

Many children with Down's syndrome have some degree of hearing loss. Often this is caused by glue ear (a build-up of fluid in the middle ear) but there can be ... Trisomy 21 is a genetic condition caused by an extra chromosome. Most babies inherit 23 chromosomes from each parent, for a total of 46 chromosomes. Aug 15, 2000 ... Down syndrome (trisomy 21) is the most commonly recognized genetic cause of mental retardation. The risk of trisomy 21 is directly related ... Depending on the cause and severity, the diagnosis and treatment of a tremor may be done by a primary care provider, a neurologist, and/or a movement disorder ... This extra genetic material causes the physical features and developmental delays in people with Down syndrome. The features are no different if the extra ... Down syndrome is caused by an extra chromosome 21. Down syndrome affects people differently. It causes learning difficulties and health problems. Aug 11, 2023 ... Blood disorders — Down syndrome can cause blood cell abnormalities, including a form of blood cancer called leukemia. Immune system problems — ... Sep 18, 2024 ... To understand how Down syndrome is inherited, it's important to first grasp what causes this condition. Down syndrome is a genetic condition ... Jul 21, 2021 ... parents laying down wit their daughter who has down syndrome. Over 6,000 ... cause for this racial disparity (difference based on race). Down syndrome (DS) is caused by trisomy of human chromosome 21 (Hsa21) and results in a large number of phenotypes, including learning difficulties, cardiac ...