O+ PARENTS

[Dan Wainstock]

In article <01HBRIRBHV5290NF42 at delphi.com>, HPUTZ at BIOTECHNET.COM wrote:

> 
> DEAR KATHLEEN,
> 
>   The original posting was in regards to two O+ parents, not one.
> Your explanation concerning the "bombay blood tyoe" only holds water
> if only ONE parent is O+.  Otherwise, it is IMPOSSIBLE for
> TWO O= parents to give birth to a A or B child.


I don't think so.  If one parent's GENOTYPE is:
hh (Bombay) Rh+  with blood group antigens AB, BB or OB,  i.e., apparently
O+,

and the other parent is:
HH (not Bombay) Rh+  with blood group antigens OO,   i.e., apparently O+,

then their child could quite easily be B+.