MDM2 SNP309 Allele

**Semantic type:** Gene or Genome

**Definition:** A single nucleotide polymorphism in the MDM2 gene associated with an earlier onset of tumors in both sporadic and hereditary cancers.

**Synonyms:** - MDM2 c.14+309T>G - MDM2 c.309T>G - MDM2 g.31345886T>G - NC_000012.11:g.75896664C>T - SNP309