Should the blood group of all the members of a family be same??!


Question: i mean that the blood group of a child should be same as his mother or father or it can be different....even if the blood group of the parents is same...


Answers: i mean that the blood group of a child should be same as his mother or father or it can be different....even if the blood group of the parents is same...

Yes. If the blood group is B+ + B+ = B- is possible, though why there should be an absence of the Rhesus factor in the offspring is not something I know.
A,B,AB and O are some antigens on the surface of the bloodcell. For further information on blood groups and blood group systems, I'd suggest that you try

http://en.wikipedia.org

It might be more helpful than I can be.

It can be different.
I once heard it explained this way. If a tangerine and an orange had a baby, it wouldn't be exactly like either of them, rather it would be a tangello!

A+B=AB
sometimes.
It can be kind of random. But usually brothers and sisters have the same blood type.

The blood group can be A, B, AB, or O.
Rh +ve or -ve

It can be different than both parents, as long as that group is somewhere in both parents, parents... eg. I am O neg. My parents are both A pos. My paternal grandmother and maternal grandfather were both O neg. They passed on the gene to my parents, but it was recessive * in the background per say. When they had me, the 2 genes for O neg surfaced, and I'm O neg from 2 A pos parents.

Nope. Genetically blood groups are co-dominant. A person with type A blood has a genotype that is either AA or AO. A person with type B is either BB or BO. A person with type O blood is just OO.

If an AO person marries a BO person, the children can be either A (AO), B(BO), AB (AB) or O(OO).

Now, suppose a baby is either AB or B, and one parent is type O and the other type A. Oops, check the mailman's blood type.

In the case of Rh factors, you can have a genotype of ++ or +- , but you will test Rh+. If you are Rh negative your genotype is - - . If two heterozygote parents (Rh + - genotypes) marry, the offspring genotype possibilities are Rh ++, Rh+ -, and Rh - -. The first two, Rh ++ and Rh+- will test Rh positive, the third (actually 25% possibility) will test Rh negative.

if the parents have the same blood type then the child/children will probably have the same blood type too unless their grandparents have different ones. if the parents blood have different blood types then the child will have either the dad's or the mom's blood type. but if one parent has A and the other one has B, then there is a chance for the child to get AB.

no....in my family also different mine my daughter has o positive n huband another daughter has b positive.

yes if the blood group of both parents is same than the bloodgroup of the child has to be same as child gets his blood group from one of his parents

it can be different my sons dad has a different blood type than us im a a + my son is a A- and hes an o so they dont have to be the same my parents have different blood types than each other and myself so no it doesnt.





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