What happens when two people with different blood types have children?

Are there certain blood types that aren’t compatible that can cause issues with the child, like retardation or anything of that such?

(And if you find it somewhere on the internet can you please tell me where you got the information?)

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Answer #1

There are 3 different genes for blood type. 0,A and B. 0 is “recessive”, that means when combined with any other than 0 the “phenotype” is the other. Thus there are 4 blood groups. 0 (genes 00) A (genes 0A and AA) B (genes 0B and BB) as well as AB (genes AB).

The other problem is the rhesus factor. That can be + or -, blood with the rhesus factor is incompatible to blood without it. So someone with 0+ can not donate to someone with 0- blood. Someone with 0- could donate to someone with 0+.

A problem arises, when a mother has a rhesus negative blood and her man has rhesus positive. During birth, the mothers blood gets contact to the childs blood. So if the kid has his fathers rhesus positive, after her first birth, the rhesus negative mothers body develops antibodies against rhesus positive blood. The second child, if he/she is also rhesus positive may suffer damage by the antidotes in the mothers blood. This problem is well known and hospitals usually check for it anyway. And there is effective medication against this problem.

http://funadvice.com/r/15dlhf7qepm

There are a lot of other inheritable disease though, that have nothing to do with blood type. http://funadvice.com/r/15dlhf7qg1s

Answer #2

they combine for a child to have both

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