Which of the four couples claiming the baby with O+ blood type are possible the biological presents of it?
A
AB- and A+
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B
A+ and O-
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C
O+ and AB+
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D
B- and O-
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Solution
The correct option is B A+ and O- From the given chart, we can estimate the blood group for the child if the blood group of the parent is given and vice versa.
Also, the Rh factors will be transferred to the child if one of the parents is rhesus positive.