Keep in mind that the DNA/RNA mechanism is not deterministic. It functions to produce proteins. If you were to bottle and sell those proteins, you'd have to list their effects, along with possible side effects.
An individual protein may have many uses inside the body. The genes that...
Consider hormonal habituation, starting in utero, and perpetuated by environmental factors, such as diet, behavior and, indirectly, belief.
A mother's biochemistry is effected by a great many things and hormonal changes during pregnancy are expected.
People actually take hormones to effect...