Polymorphism

{
  "id": "MLC-T-ONC-006801",
  "term": "Polymorphism",
  "field": "Oncology and biomedicine",
  "definitions": [
    "A common change in the genetic code in DNA. Polymorphisms can have a harmful effect, a good effect, or no effect. Some polymorphisms have been shown to increase the risk of certain types of cancer.",
    "A common variant in a specific sequence of DNA. “Common” is typically defined as an allele frequency of at least 1% in the general population."
  ],
  "references": [
    "NCI Dictionary of Cancer Terms",
    "NCI Dictionary of Genetics Terms"
  ],
  "url": "https://mlchart.com/terminology/oncology/polymorphism/"
}