blood groups

[bellyblue]

can blood groups be different between parents and there kids?

[j3nDRa74]

Im O rh D neg and my son is O pos, like his dad.

[wildwood]

Here is a site with easy-to-use calculators where you can work out parent's/children's most common groups.

If you now find out that you were found between the cabbages..... I take no responsibility!

[sara3]

of course. if the parents have different blood groups the child can't be both!