Genetic heterogeneity
| Genetic heterogeneity | |
|---|---|
| Term | Genetic heterogeneity |
| Short definition | genetic counselor (jeh-NEH-tik KOWN-seh-ler) A medical professional with specialized training in medical genetics and counseling. Genetic counselors help patients and families who have or are at risk of a genetic condition. |
| Type | Cancer terms |
| Specialty | Oncology |
| Language | English |
| Source | NCI |
| Comments | |
genetic heterogeneity - (pronounced) (jeh-NEH-tik HEH-teh-roh-jeh-NEE-ih-tee) A term used to describe when different gene mutations (changes) cause the same disease or condition . Genetic heterogeneity occurs when a single gene has different mutations (allelic heterogeneity) or when mutations are present in different genes (locus heterogeneity), and both cause the same disease or condition. For example, tuberous sclerosis (an inherited disease causing tumors in the kidneys, brain, eyes, heart, lungs and skin) is caused by mutations in a gene on chromosome 9 or chromosome 16
External links
- Medical encyclopedia article on Genetic heterogeneity
- Wikipedia's article - Genetic heterogeneity
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