Answer to Question #78058 in Genetics for Lea Martinez

Question

I want to understand more in this situation, My mom gave birth to our 3rd sibling who is B rh+ and my father's genotype is BO but his blood type is O rh+ and my mom is OO genotype and her blood type is O rh+. Me and my sister has O blood type. Do they need DNA or the baby that was born is not my real sister it has diff father? What's happening? I did a lot of research its confusing and lots of question is not answerable. Can you tell me more, please.. thank you

Answer 1

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