As described higher than, flatworms are almost exclusively hermaphroditic5,6, even so the schistosomes have advanced 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 https://sexmachine.rent/new/the_challenge_porn.html