Table 2 Mapping of Clinical Disorders (January 29, 2007)
Mapping Type No. Mapped
Loci associated with disorders 3,003
Disorders mapped by association with the gene product 159
Disorders mapped by linkage 942
Disorders “molecularized” 3,345a
 Total no. of disorders mapped 4,446
a Number of phenotypes labeled with “(3)” in the Disorder field of the Synopsis of the Human Gene Map.