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Name: Aaryan
Status: other
Grade: n/a
Location: IN
Country: USA
Date: Winter 2012-2913

My question is that if both the parents have same blood group let it be A- than how will we find that which blood group belong to their foetus either of father or mother

The possible combination in the foetus could be A-, or O-


Hi Aaryan,

Thanks for the question. The way to understand and predict fetal blood type is through use of a Punnet square. I am not sure how familiar you are with genetics and Punnet squares, so I will just answer your question directly without too much detail. Since both parents are negative (specifically Rh negative), the fetus will be Rh negative. The fetus will be type A or type O. Thus the fetal blood types will be A- or O-. If we had further information, we can refine our prediction more.

I hope this helps. Please let me know if you have any more questions. Thanks Jeff

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