Answer :
Two parents with an A blood type can produce a child with either A or O blood types.
Two parents with B blood type can produce a child with either B or O blood type.
One parent with A and another with B can produce a child with A, B, AB or O blood type.
What are the 4 main blood groups?
There are 4 main blood types (types of blood) – A, B, AB and O.
Your blood group is defined by the genes you inherit from your parents.
Each set can be either RhD positive or RhD negative, which indicates in total there are 8 blood groups.
Thus, both types of genotypes are found.
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