50% chance of A. 50% chance of B. either positive or negative(shruggs).
If the child is AB the mother screwed around on the 'dad'
If the child is O you did the test wrong, because their is no way the woman can be wrong about whether or not the baby came out of her
a-
No
Yes. The father's phenotype is AO+*; the mother's is OO--.
possibility not
for sure
AB+
a-
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.
# 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--.
If mother is heterozygote yes.