Heredity

Illustration of Heredity
Illustration: Heredity

Tonight doc, I am a father. I want to ask, is my child’s blood type the same as his father or mother? Please answer yes doc

1 Answer:

Good evening, thanks for asking at HealthReplies.com. A child's blood type is a mixture of his parents' blood groups. The explanation is thus.

There are 4 blood types that we know of, namely blood types A, B, O and AB. What is rarely known by the layman is that there are components forming these blood groups. Each blood type is composed of two components, one of which is taken from his father and the other is taken from his mother. Blood type A has components Ia and Io, blood type B has components Ib and Io, blood type O has only component Io, while blood group AB has components Ia and Ib. If his father has blood type A and his mother has blood type O, then if his child takes the component He from his father and Io from his mother, then he will have blood type A like his father. But if what he took from his father turned out to be the component of Io, and that which was taken from his mother would also be Io, then his blood type would be O like his mother.

This can indeed be difficult to understand especially if it is only through written media. So for more convenience, see the table below.

The table above summarizes the possibilities of the child's blood type from all possible blood groups of the father and mother. From this table you can see if your blood type is AB and your wife's blood type is A, then your child may be blood type A, B and AB, but it is not possible O. If you and your wife are both O, then your child must be blood type O etc.

The point is that regarding your question, we cannot predict whether a child's blood type will be exactly like his father or mother because it all depends on probability. To find out what probabilities might be related to your child's blood type, you can look at the table. So, hopefully answering your question.

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