there is no way to really tell. the child would most likely have O+ or O- but they could have A+, A-,B+,B-,AB+,AB-
no
O negative no choice
If mother is heterozygote yes.
There is a 75% chance the child will be A negative, and a 25% chance the child will be O negative.
no
no
I'm not sure how negative or positive is determined, but a B mother and O father can have a B child.
possibility not
The child will be A or B or AB, Rh+ or Rh- . So yes, the child can be A-.
The father would be fat.
Yes, the mother and father can have either an A or O child with the Rh factor of either - or +.
Blood type and Rh factor do not affect the health of a child except in rare conditions, usually due to incompatibility with the mother and child when the father and are positive but the mother is negative.