yes if both are heterozygotes
Yes.
Yes. The father's phenotype is AO+*; the mother's is OO--.
Yes. The father's phenotype is AO+*; the mother's is OO--.
Yes
Yes.
the baby may be A or O.
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.
# 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.
It's called "positive" and "negative" - yes the "A" father and "B" mother can each give a gene to produce "AB"; The Rhesus gene is either positive or negative so the baby could get either.
no
no
o positive