Question about blood types
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Question about blood types
I have a question for you guys concerning the positive and negative on your blood types. I'm confused, like if a person is A+, would they be able to get A- blood (as in a transfusion) or just the A+ blood? Hope this makes sense 
Posting Guru
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From: Valley of the Sun AZ
They can get the transfusion ONCE and only once from the non-similar blood type due to the rH factor. Once the non similar blood has been mixed antibodies are constructed against the rH factor. This is the reason if they do not know what blood type someone is they give them O negative (Universal Donor) They try to get the rH factor correct with the matching O type, but sometimes it just does not occur.
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From: MA
http://science.howstuffworks.com/question593.htm is one link you can follow. If you just go to google.com, and type in 'blood types', you should find a ton of info on the subject.
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Originally Posted by ranger rules
I have a question for you guys concerning the positive and negative on your blood types. I'm confused, like if a person is A+, would they be able to get A- blood (as in a transfusion) or just the A+ blood? Hope this makes sense
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From: fremont ohio
Originally Posted by razell
i think it's odd that mine is ab+, my wifes is o- and my 2 girls have a+ & b+ respectively...??
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Posting Guru
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From: Princeton, MN
O- is double recessive, an AB+ would have two different dominant genes (1 A and 1 B) either of which would be expressed over the recessive genes of the other parent. One of your kids got your dominant A gene and Mom's recessive O- gene, and the other got your dominant B gene and Mom's recessive O- gene. A type A blood type can have either 2 A genes or an A gene and an O gene. A type B blood type can come from either 2 B genes or a B gene and an O gene. An O blood type can only come from 2 O genes.
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From: South Texas
If you want to read up on something really interesting, look up "bombay" blood type. I'm a clinical lab scientist (medical lab tech) and work in a hospital blood bank. The the ABO-Rh system is not the only things you have to worry about when transfusing blood, there are also antibodies both cold and warm reacting.
Take a look at this:
http://www.bh.rmit.edu.au/mls/subjec...frequency4.htm
Take a look at this:
http://www.bh.rmit.edu.au/mls/subjec...frequency4.htm
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Joined: Sep 2004
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From: P-Town, CA
O is recessive compared to all the other types, so unless both parents are O, then the offspring cannot be. Its all genetics, and now I wish I would have paid more attention in bio class last year.
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