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The following is a list of genetic disorders and if known, type of mutation and for the chromosome involved. Although the parlance "disease-causing gene" is common, it is the occurrence of an abnormality in the parents that causes the impairment to develop within the child. There are over 6,000 known genetic disorders in humans.
Advanced sleep phase disorder; Aerotoxic syndrome; Afferent loop syndrome; Aicardi syndrome; Aicardi–Goutières syndrome; AIDS dysmorphic syndrome; Al-Raqad syndrome; Alagille syndrome; Albinism–deafness syndrome; Alcohol withdrawal syndrome; Alezzandrini syndrome; Alice in Wonderland syndrome; Alien hand syndrome; Allan–Herndon–Dudley ...
Due to the wide range of genetic disorders that are known, diagnosis is widely varied and dependent of the disorder. Most genetic disorders are diagnosed pre-birth, at birth, or during early childhood however some, such as Huntington's disease, can escape detection until the patient begins exhibiting symptoms well into adulthood. [35] The basic ...
In genetics, anticipation is a phenomenon whereby as a genetic disorder is passed on to the next generation, the symptoms of the genetic disorder become apparent at an earlier age with each generation. In most cases, an increase in the severity of symptoms is also noted.
List of medical symptoms. Medical symptoms refer to the manifestations or indications of a disease or condition, perceived and complained about by the patient. [1] [2] Patients observe these symptoms and seek medical advice from healthcare professionals.
This is a list of major and frequently observed neurological disorders (e.g., Alzheimer's disease), symptoms (e.g., back pain), signs (e.g., aphasia) and syndromes (e.g., Aicardi syndrome). There is disagreement over the definitions and criteria used to delineate various disorders and whether some of these conditions should be classified as ...
Trisomy 18 is a chromosomal abnormality characterized by the presence of an extra copy of genetic material on the 18th chromosome, either in whole (trisomy 18) or in part (such as due to translocations). The additional chromosome usually occurs before conception. The effects of the extra copy vary greatly, depending on the extent of the extra ...
Rare variant (genetics) RAS-associated autoimmune leukoproliferative disorder; Reparagen; Retinal cone dystrophy 3B; Retinal vasculopathy with cerebral leukoencephalopathy and systemic manifestations; Rhizomelic dysplasia, scoliosis, and retinitis pigmentosa; Ring chromosome 18; RNA-dominant disease