Fao Sqad

[jasmin26]

Hi Sqad can you settle a disagreement at work for me please ? Can parents who have the same blood group have a baby with a different blood group ?

[Sqad]

Yes.

If you are both A positive for instance it is possible for a child to have O positive or A positive. If you both are B blood type you will either have B or O,....and so on and so on........

[jasmin26]

What about the parent having A positive and the childs blood is negative ?

[pixie373]

If both parents are negative. The baby should be too.

[pixie373]

If one or both are positive, the baby will be positive.

[Sqad]

Yes, that is also possible.

I gather that you have lost your bet;-)

[jasmin26]

Hahaha no not at all , infact you have confirmed what I thought I had once read . Thanks Sqad for your help once again .

[Prudie]

Surely it isn't that clear cut or rhesus negative would have died out by now?

[Sqad]

No problem.......

[pixie373]

So would blue eyes, prudie. But once the brown has been lost (from 2 blue-eyed parents), it's lost forever- so maybe not.

[askyourgran]

My sister is rhesus negative, but I am O, my daughter is rhesus negative my husband is O too. I'm not sure that it was my Dad who carried the rhesus type blood.

[Prudie]

Are you and your husband O positive or negative though ayg?

[pixie373]

The blood types and rhesus factors are different. Were they O positive or O negative?

[Brinjal]

Can 2 O type one pos one neg have an A pos for instance.

[stuey]

That's why you have to be very specific when you make some types of bets. The OP mentioned "blood group", and the most common type of group is of course the ABO group. When you start to bring positive and negative into it you are talking about Rh(esus) positive and Rh(esus) negative: these are blood types, not groups. Therefore, if the bet was about blood groups only A, B, O, and AB are involved in it: not Rh positive or negative.

[stuey]

I have just look it up on you know where, and it seems that that distinction between "group" and "type" which I mentioned is no longer in vogue. It certainly was when I was a hematology and immunohematology lab tech. Mind you, that was many moons ago. Hey, you learn something every day.

[askyourgran]

Sorry been wandering among the threads and getting my supper ready. I'm O positive, not sure about MrAsk is pos or negative.

Someone mentioned eye colour. My mother and I have brown eyes and two of my siblings have, but my next eldest sister has blue eyes Rh.pos bloodtype the same as my Father.
MrAsk has blue eyes and my daughter (Rh pos) has blue eyes. I always thought that brown eyes were dominant.

[askyourgran]

Sorry I'm confusing the rhesus positive and negative with the blood types I think they are both negative.