1 => The disorder is placed on the map based on its association with a gene, but the underlying defect is not known
2 => The disorder has been placed on the map by linkage; no mutation has been found
3 => The molecular basis for the disorder is known; a mutation has been found in the gene
4 => A contiguous gene deletion or duplication syndrome, multiple genes are deleted or duplicated causing the phenotype
| Gene Symbol | Chromosomal Location | Gene MIM number | Mapping Method | Phenotype | Phenotype MIM number | Phenotype Mapping Key |
| SRC | 20q11.23 | 190090 | REa, A, REb | Colon cancer, advanced, somatic, 114500 (3) | 114500 | 3 |
| SRC | 20q11.23 | 190090 | REa, A, REb | ?Thrombocytopenia 6, 616937 (3) | 616937 | 3 |