Table 1.

Genotypes present during a XY to ZW turnover, and presence or absence of X–Y recombination for each genotype depending on mode of recombination suppression

		Recombination depends on
Genotype	Sex	Phenotypic sex	Genotypic sex
XX ff	Female	Yes	Yes
XY ff	Male	No	No
XX fF	Female	Yes	Yes
XY fF	Female	Yes	No
YY ff	Male	No	Yes
YY fF	Female	Yes	Yes