If the parents are Type A and Type O could they have children with Type B blood?
UnknownDude:
No, they can't
A is a dominant gene while O is recessive
One parent will have the genotype AA or AO
The other parent must have the genotype OO
Since the gene B isn't present in either of them, a child with B blood group is not possible
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No because for type A blood group their are only two possibilities either Ia Ia or Ia Ii, and for o type it is only Ii, so no b gene is involved in the cross, so the child will either have A blood group or I, the situation can be possible if one of the parent had either type A or type AB blood group.
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