MCQ
Persons of blood group $A$ contain
- ✓Antigen $A$ and antibodies $b$
- BAntigen $A$ and antibodies $a$
- CAntigen $A$ and $B$ and no antibodies
- DNo antigens and both $a$ and $b$ antibodies
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$I.$ Selection of pea plant
$II.$ Knowledge of history
$III.$ One character at one time
$IV.$ His statistical knowledge
Choose the correct option