Can a child with group O parents be blood group AB?

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Tracy

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Tracy asked the Naked Scientists:
   
Please can you tell me if a mother and father are blood group O, and they have 2 kids can one be AB and the other O?? Or is the AB one not from these two people??

Please help with this question.
Thanks
Tracy

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Offline chris

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Can a child with group O parents be blood group AB?
« Reply #1 on: 04/12/2009 17:27:29 »
This might be a case of blood group "Bombay" (hh):

http://www.thenakedscientists.com/forum/index.php?topic=17461.0

Here's a link to Wikipedia's entry on Bombay:

http://en.wikipedia.org/wiki/Hh_antigen_system
« Last Edit: 05/12/2009 22:39:58 by chris »
I never forget a face, but in your case I'll make an exception - Groucho Marx

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Offline iko

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Can a child with group O parents be blood group AB?
« Reply #2 on: 05/12/2009 13:30:25 »
This might be a case of blood group "Bombay":

http://www.thenakedscientists.com/forum/index.php?topic=17461.0


Cis-AB is another possibility:

1chromosome carries the O gene, the other A&B together.
Quite rare indeed, like blood type "O Bombay"...



« Last Edit: 05/12/2009 13:33:23 by iko »