A woman of blood group AB when married to an O blood group man will never get an AB group child because of which of the following reasons?
1
Blood group O individuals carry no antigens of A or B group.
2
Blood group O individuals carry antibodies that abort AB foetuses at an early stage.
3
Blood group O gene is dominant over group AB.
4
Blood group O individuals carry antigens against AB.
5
Question Not Attempted