As described earlier mentioned, flatworms are almost solely hermaphroditic5,6, nevertheless the schistosomes have developed gonochorism and intercourse chromosomes de novo. This group of species is therefore particularly interesting for studying the transition from hermaphroditism to gonochorism. Here we use Schistosoma mansoni and its hermaphroditic outgroups to study evolutionary st... https://mmixx.online/clitoris/best_femdom_porn_star.html