Questions for Evolutionist #7, How did sex originate?

 Asexual reproduction gives up to twice as much reproductive success (‘fitness’) for the same resources as sexual reproduction, so how could the latter ever gain enough advantage to be selected? And how could mere physics and chemistry invent the complementary apparatuses needed at the same time (non-intelligent processes cannot plan for future coordination of male and female organs). 

http://creation.com/refuting-evolution-2-chapter-11-argument-evolution-of-sex

http://creation.com/genesis-unleashed?fileID=Cu0IK-EB5F4