Single nucleotide variant

{
  "id": "MLC-T-ONC-007779",
  "term": "Single nucleotide variant",
  "field": "Oncology and biomedicine",
  "definition": "A DNA sequence variation that occurs when a single nucleotide (adenine, thymine, cytosine, or guanine) in the genome sequence is altered. Single nucleotide variants may be rare or common in a population. Sometimes single nucleotide variants are referred to as single nucleotide polymorphisms if they are present in at least 1% of the population. Also called SNV.",
  "synonyms": [
    "SNV"
  ],
  "references": [
    "NCI Dictionary of Genetics Terms"
  ],
  "url": "https://mlchart.com/terminology/oncology/single-nucleotide-variant/"
}