TABLE 8

Polymorphic and fixed synonymous mutations at coding and noncoding sites on the neo-X chromosome of D. miranda

GC-ATAT-GCFisher's exact test
Since split with D. pseudoobscura
Coding
    Fixed3217P = 0.031
    Polymorphic6513
    rpd2.030.76rc = 2.66
Noncoding
    Fixed97P = 1.000
    Polymorphic74
    rpd0.780.57rnc = 1.36
Since split with neo-Y
Coding
    Fixeda257P = 0.790
    Polymorphic6214
    rpd2.482.00rc = 1.24
Noncoding
    Fixeda72P = 0.659
    Polymorphic84
    rpd1.142.00rnc = 0.57
  • “Fixed” refers to fixed differences between neo-X chromosome and D. pseudoobscura. D. affinis was used to infer the ancestral state.

  • a Fixed differences between neo-X and neo-Y chromosomes.