Anti-Rh antibodies can develop in an
AB+ patient if he receives blood from an O- donor
Rh+ patient if he receives blood from an Rh- donor
Rh+ donor if he donates blood to an Rh- patient
Rh- patient if he receives blood from an Rh+ donor
An Rh-ve person, if exposed to Rh+ve blood, will form specific antibodies against the Rh antigens.