Mating types, family sex ratios, and corresponding frequencies of Y or W chromosomes in populations affected by estrogen-induced feminization. (a) XY/XX sex determination system. (b) ZZ/ZW sex determination system. Black symbols: phenotype-genotype mismatch caused by feminization. Gray symbols: new karyotypes among the progeny of feminized individuals.
Wedekind BMC Biology 2014 12:10 doi:10.1186/1741-7007-12-10