Blood Types

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March 24, 2020: Does blood group matter in procreating baby? If yes, can you tell me with which group combination you cannot make? 
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February 13, 2020: How many blood types are there and what are they? Can new types develop over time?
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August 6, 2019: How accurate are blood typing tests? My husband and I have Rh- blood type, but we have an Rh+ child. (And I am 100% certain my husband is the father!)
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May 29, 2019: How can I figure out if I am a secretor or non-secretor? What does this mean in everyday life?
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November 20, 2018: What is Rhesus factor? Did we get it from Rhesus monkeys? Can Rh factor be found in other animals?
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July 13, 2018: What is the Bombay blood group?
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June 4, 2018: How does cis-AB work?
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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?
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December 6, 2016: In general, does a child usually have the same blood type as one of their parent's blood type?
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March 8, 2016: All three of my children are AB negative. Does this mean that I must be Rh negative?
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