Wow. You need to just be yourself. You have a passion, well communicated in your post. We can't really offer much advice because we do not know all that much about your family dynamic, but be true to yourself. Do take time to think of how your mom might see this too- it will not take anything away from you- it will only help her by helping you to communicate.
Remind her, and yourself, you are still the baby she brought into the world. She has done a wonderful job- almost like bring two people into the world. There is a LOT of discovery for yourself, but this is not traditional in the general sense you may think.
Yet there is a very deep tradition- parents and children- connecting no matter what the vagaries of biology may throw at us. You just get to do something above and beyond what most other people do.
Be gentle, be patient, be kind. I had to learn patience on my own, for me- it was worth it.
