sexual reproduction has many advantages and disadvantages to consider from a scientific standpoint. Genetic diversity can be created, but the process is uncertain and somewhat unpredictable. When practiced regularly, it can improve brain power, help to fight off disease, and make those practicing it feel good. Advantages and disadvantages of sexual and asexual reproduction. Sexual reproduction involves two parents and the joining of male and female gametes. aside from reproduction, sex can be about intimacy and pleasure. Sexual activity, penile-vaginal intercourse (pvi), or masturbation, can offer many surprising benefits to all facets of your life.