Blood Types

1 - 10 of 21 Answers

November 20, 2018: What is Rhesus factor? Did we get it from Rhesus monkeys? Can Rh factor be found in other animals?
See Answer

July 13, 2018: What is the Bombay blood group?
See Answer

June 4, 2018: How does cis-AB work?
See Answer

August 16, 2017: I have AB blood type and my partner is O. How did we get a daughter with A blood type and a son with B?
See Answer

December 6, 2016: In general, does a child usually have the same blood type as one of their parent's blood type?
See Answer

March 8, 2016: All three of my children are AB negative. Does this mean that I must be Rh negative?
See Answer

October 15, 2015: If my blood group is A positive, does that mean one of my parents would have to be the same?
See Answer

October 24, 2013: Can twins have two different blood types if they have the same father?
See Answer

July 24, 2013: Could you please explain if it is possible for a father who has O positive blood and a mother with A positive blood to have a baby with O negative blood? I am a little confused and have been trying to research the answer. I would appreciate if you are able to assist.
See Answer

July 9, 2013: Did Rh- blood come from Neanderthals?  I have seen postings on the web that say that it entered human DNA around 35,000 years ago and that seems about right for coming from Neanderthals.
See Answer