Can Two O Blood Group Parents Have a Child with AB Blood Group?

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Discussion Overview

The discussion revolves around the genetic possibilities of blood group inheritance, specifically whether two parents with O blood group can have a child with AB blood group. It explores genetic principles, anecdotal evidence, and references to external sources regarding blood group genetics.

Discussion Character

  • Debate/contested
  • Technical explanation

Main Points Raised

  • Some participants assert that it is not genetically possible for two O blood group parents to have a child with blood group AB.
  • Others reference anecdotal claims or external sources suggesting that while unlikely, it may be possible under certain conditions.
  • One participant mentions that two AB parents cannot have a child with blood group O, but acknowledges that heterozygous AB parents could potentially have a child tested as O.
  • A participant shares a personal anecdote about a friend with AB blood group whose parents are both O, questioning the genetic impossibility.
  • There are calls for published evidence to support claims made in the discussion, emphasizing the need for credible sources.

Areas of Agreement / Disagreement

Participants generally disagree on the possibility of two O blood group parents having a child with AB blood group, with multiple competing views presented and no consensus reached.

Contextual Notes

Some claims rely on anecdotal evidence and personal experiences, while others reference external sources that may not be universally accepted. The discussion highlights the complexity of genetic inheritance and the potential for misunderstandings regarding blood group genetics.

Suraj M
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Is it possible for two O blood group parents to have a child with blood group AB, well this has happened, so I've heard, but how?
I can understand how 2 AB group parents can have a child tested as O blood group, but how is, the other way around, possible?
 
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Suraj M said:
Is it possible for two O blood group parents to have a child with blood group AB, well this has happened, so I've heard, but how?
I can understand how 2 AB group parents can have a child tested as O blood group, but how is, the other way around, possible?
"so I've heard" is not an acceptable reference. If you have published evidence for this, please cite the source.

"Ancient aliens wrote the U.S. Constitution, so I've heard." See how authoritative that sounds?

It's not genetically possible for two O group parents to produce a child who is group AB. Somebody's mixed up, mistaken, or lying.
 
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Ygggdrasil said:
t is also not possible for two AB parents to have a child with blood group O.
2 AB can have a baby tested as O, they can if both the parents are heterozygous ##Hh## there is a chance that the baby will be tested as O though the child belongs to bombay blood group..
SteamKing said:
so I've heard" is not an acceptable reference. If you have published evidence for this, please cite the source.
Actually my friend is AB and both her parents are O, and i am sure she's not adopted, and I've heard it is possible from my teacher :)
I'm surprised at the statistics of 1 in a million, thanks Raghav :)
 

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