To be able to sit and read this paragraph, your body must perform several actions all at once.
I’ve already explained that the embryo is destined to become female unless chemicals swing into action to make it become a normal male.
The human embryo is destined to become female by default unless several chemicals swing into action.
The word sex comes from the Latin secare which means to separate or divide.
What most people do not know or appreciate is how the body decides whether to make male or female parts.