Here it is:
Mom: Cancer Sun, Cancer Moon, Scorpio Rising: O Positive
Dad: Capricorn Sun, Cancer Moon, Capricorn Rising: O Negative
Me: Sagittarius Sun, Aries Moon, Virgo Rising- O Positive
My Brother: Sagittarius Sun, Scorpio Moon, Pisces Rising: O Negative
Unfortunately, my scientific side is screaming - this has nothing to do with Astrology but has everything to do with Genetics and the laws of recessive versus dominant genes when it comes to blood type and Rh factor.
For example, regardless of when we have a child, my Fiance (A+) and I will have a child that is A+. A is dominant over O therefore we will have no choice but to have an A child