As described previously mentioned, flatworms are almost completely hermaphroditic5,6, nevertheless the schistosomes have developed gonochorism and sexual 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 e... https://colabis.lat/pornstar/riley_reid_oral_creampie.html