Evolutionary Theories on Gender and Sexual Reproduction

The origin and upkeep of intercourse and recombination isn’t effortlessly explained by natural selection. Evolutionary biology struggles to expose why pets would abandon asexual reproduction and only more expensive and ineffective intimate reproduction. How did we get to two genders-each that is separate its physiology? Then the question should be answered: Why sex if, as evolutionists have argued, there is a materialistic answer for everything? Is intercourse the merchandise of a historical accident or the product of a smart Creator?