Multiple choice Select the true statement regarding the sexual reflexes and fertilization. Erection in a penis is a sympathetic reflex. During ejaculation in human males, the sperms are mixed with secretions from the prostate and seminal vesicles. Fertilization normally occurs in the uterus. Fertilization may takes place three or more days after ovulation. Reveal answer Fill a bubble to check yourself B Correct answer Explanation It is true as the function of the prostate is to secrete a slightly alkaline, milky fluid, making 20-30% of the volume of the semen along with spermatozoa and seminal vesicle fluid.