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 |
| BMPR1A | 10q23.2 | 601299 | R, A | Polyposis, juvenile intestinal, 174900 (3) | 174900 | 3 |
| BMPR1A | 10q23.2 | 601299 | R, A | Polyposis syndrome, hereditary mixed, 2, 610069 (3) | 610069 | 3 |
| BMPR1A | 10q23.2 | 601299 | R, A | Juvenile polyposis syndrome, infantile form, 174900 (3) | 174900 | 3 |