Yes.
YES
# yes, if father is + - for RH and mother - - (negative) or + - (positive); the father can generate sons A, B, or AB depending by mother's group.
yes
yes, the mother could o negative
can an o positive and an o negative make an a positive baby
If the mother is A negative, and the father is B positive, they could have children who are A negative, A positive, B negative, B positive, AB negative, AB positive, O negative, or O positive.
This combination is possible if the father has type A blood with a genotype of AO.
Science would say no, but then again science is always changing. Also I've actually seen a family like this except that it was the father who was O positive.
yes
Yes.
No. They can have an O positive, an O negative, A B positive, or a B negative child.
positive