Genetic distances of different genes/regions within the <i>MAT</i> locus.^a

a: calculated using program MEGA 5; the genetic distances listed in the table represent estimates of the genetic differences for C. neoformans var. neoformans (serotype D) isolates unless indicated otherwise; b: calculated from both the MATa and MATα alleles; c: numbers in parentheses are for C. neoformans var. grubii (serotype A) alleles; d: calculated from only the MATα alleles.