Fertilization - fusion of 2 gametes ensure encounter of sperm & oocyte/egg External fertilization # of gametes stimulus for release Internal fertilization.
22-1 Chapter 22: Development and Aging. 22-2 Early Developmental Stages Fertilization occurs when the sperm and egg interact to produce a zygote. During.
Chapter 22: Aging. Fertilization Depolarization of the egg’s plasma membrane after the sperm touches the egg and separation of the zona pellucida prevent.
