No, they cannot.
No, they cannot.
no
it is rh negative and rh positive that u dont want to mix not the a b o types it is the + or - two ++ mom n dad or two -- mom n dad not 1 positive(+) and 1 negative(-)
yes
no
yes
yes
Yes
of course, yes.
o
A, B, or AB, positive or negative
Sure.