o+o+o = o
If mom is O- and dad is O+, then the baby can either be O- or O+
normally they have "o" plus or negative.
if your o plus the father be a plus like he's father........
I2 + 10 hno3 = 2 hio3 + 10 no2 + 4 h2o
Yes. O, Rh positive and B, Rh positive parents may produce an O, Rh positive child.