Sex as a defense against transmissible tumors: a new hypothesis
Sexual reproduction imposes long and annoying formalities, such as searching and courting a partner. But it is definitely worth it: the genetic mixing prevents the appearance of dangerous mutations and increases the chances of fighting parasites and pathogens. Once again, someone has spoken in favor of sex: a group of researchers from the University of Montpellier has claimed that its evolution could have been driven by the need to combat transmissible tumors.