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Numerous factors want to fall into line to ensure that fertilization, or perhaps the joining of a male’s sperm cell and an egg that is female’s to happen Step 3: Fertilization These facets include favorable ecological conditions, timing when you look at the female’s menstrual period, fertility for the male’s semen, cap cap ability of this male’s semen cells to enter the egg (also called sperm capacitation), and growth of the embryo. If a few of these facets can be found, fertilization between semen and egg will most likely happen. Ecological Conditions Environmental surroundings of a vagina that is female’s cervix is under cyclical hormone control, which needs to be...