Yes. If the mother is OO and the father is OB then yes. If the mother is OO and the father is BB then no.
Yes.
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.
Look at the Grandparents.
a-
An AB+ and B- couple can't have a child with blood type O. They can have children with blood types A, B, or AB, and can have children with Rh negative or Rh positive blood.
# 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.
no
yes
o positive
no
No
Yes. The father's phenotype is AO+*; the mother's is OO--.