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Archiver > GENEALOGY-DNA > 2002-04 > 1019958687


From: eye of newt <>
Subject: [DNA] blood type-ABO system
Date: Sat, 27 Apr 2002 21:56:11 -0400
References: <de.2638790c.29fc7ea1@aol.com>


wrote:
>
> Can you help me understand blood types?

http://www.bloodbook.com/12-bl-info.html
(index for several pages to follow, and more)


http://www.bloodbook.com/type-facts.html


> Father: A- Mother: Unknown
>
> Children:
> Son: O-
> Dau: AB-
> Son: O+ (he fathered five O- children)
>
> For the above scenario to happen, would the mother have to be B+?

as far as i know, yes. furthermore, her type would be BO+, the father's
AO-. This is assuming all the children are his, of course.

http://www.bloodbook.com/inherited.html
(excellent explanation here)

for your other question regarding distribution of blood types:

http://www.bloodbook.com/world-abo.html
http://anthro.palomar.edu/vary/vary_3.htm


and, of interest:
other blood typing antigens:
http://www.bloodbook.com/type-sys.html


back to lurking i go...
jocelyn pace

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