What is the union of sperm and egg to form a zygote? September 12, 2022/in Nursing /by Lucy fertilization is the fusion of the male and female sex gametes to form a zygote Fertilization only happens when there is a fusion. It occurs at the ampulla of the uterine tube DO YOU HAVE AN URGENT TASK? GET HELP NOW!. Order Now https://facileessays.com/wp-content/uploads/2020/08/logoFE.png 0 0 Lucy https://facileessays.com/wp-content/uploads/2020/08/logoFE.png Lucy2022-09-12 11:59:112022-09-12 11:59:11What is the union of sperm and egg to form a zygote?