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A genetic disorder is a health problem caused by one or more abnormalities in the genome.It can be caused by a mutation in a single gene (monogenic) or multiple genes (polygenic) or by a chromosome abnormality.
The diseases may have more in common than generally recognized since similar risk factors are associated with multiple diseases. Families with close relatives are more likely to develop one of the disease than the common population. The risk may heighten anywhere between 12 and 50 percent depending on the relation of the family member. [4]
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.
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 article provides a list of autoimmune diseases. These conditions, where the body's immune system mistakenly attacks its own cells, affect a range of organs and systems within the body. Each disorder is listed with the primary organ or body part that it affects and the associated autoantibodies that are typically found in people diagnosed ...
[7] [8] Furthermore, the human leukocyte antigen involved in this condition are HLA-DQ2(DR3 (DQB*0201)) and HLA-DQ8(DR4 (DQB1*0302)), [9] genetically speaking, which indicates this is a multifactorial disorder, as well. [1] [10] Should any affected organs show chronic inflammatory infiltrate (lymphocytes), this would be an indication.
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 ...
Pleiotropy seems limited for many traits in humans since the SNP overlap, as measured by variance accounted for, between many polygenic predictors is small. Most genetic traits are polygenic in nature: controlled by many genetic variants, each of small effect. These genetic variants can reside in protein coding or non-coding regions of the genome.