Genetic Disorders: What Are They, Types, Symptoms & Causes
2021年8月20日 · Genetic disorders occur when a mutation affects your genes or chromosomes. Some disorders cause symptoms at birth, while others develop over time. Genetic testing can help you learn more about the likelihood of experiencing a genetic disorder.
18 Common Genetic Disorders: 4 Types, Symptoms, Causes ... - MedicineNet
2024年7月12日 · A genetic disease is any disease caused by an abnormality in the genetic makeup of an individual. The genetic abnormality can range from minuscule to major -- from a discrete mutation in a single base in the DNA of a single gene to a gross chromosomal abnormality involving the addition or subtraction of an entire chromosome or set of chromosomes.
Genetic disorder - Wikipedia
Genetic disorders are present before birth, and some genetic disorders produce birth defects, but birth defects can also be developmental rather than hereditary. The opposite of a hereditary disease is an acquired disease. Most cancers, although they involve genetic mutations to a small proportion of cells in the body, are acquired diseases.
Genetic Disorders - National Human Genome Research Institute
2018年5月18日 · Genetic disorders can be caused by a mutation in one gene (monogenic disorder), by mutations in multiple genes (multifactorial inheritance disorder), by a combination of gene mutations and environmental factors, or by damage to chromosomes (changes in the number or structure of entire chromosomes, the structures that carry genes).
基因疾患 - 维基百科，自由的百科全书
基因疾患（genetic disorder）是由基因组中的一个或多个异常引起的健康问题，其可能由单一基因（单基因，monogenic）或多重基因（多基因，polygenic）突变或染色体异常引起。
Genetic Disorders | Genomics and Your Health | CDC
2024年5月15日 · There are several types of genetic disorders. Some disorders are caused by a genetic change (mutation) in a single gene; some are caused by an abnormality in one of the chromosomes; and some are complex, involving numerous genes and influences from environmental factors.
Human genetic disease | Definition, Types, & Facts | Britannica
2024年12月13日 · human genetic disease, any of the diseases and disorders that are caused by mutations in one or more genes of the human genome. With the increasing ability to control infectious and nutritional diseases in developed countries, there has come the realization that genetic diseases are a major cause of disability and death .
Genetic disorders: Definition, development, and examples
2020年9月14日 · A genetic disorder is a condition that occurs as a result of a mutation in DNA. There are many different types of genetic disorder. Learn more here.
Genetic Disorders - MedlinePlus
2016年12月7日 · There are three types of genetic disorders: Single-gene disorders, where a mutation affects one gene. Sickle cell anemia is an example. Chromosomal disorders, where chromosomes (or parts of chromosomes) are missing or changed. Chromosomes are the structures that hold our genes. Down syndrome is a chromosomal disorder.
Genetic Disorders - University of Utah
A genetic disorder is a condition that is caused by an abnormality in an individual's DNA. Abnormalities can be as small as a single-base mutation in just one gene, or they can involve the addition or subtraction of entire chromosomes.