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Hmm. I think your question's wording is somewhat deceptive.
Are you asking if two A+ parents can have an O+ child?
Simple answer...YES.
Sounds wrong, but in reality its true. It all has to do with chromosomes, the DNA you inherit from your parents. The only thing really confusing is the terminology. Here's how it works: For blood group genetics, each chromosome (2 in total, one from mom and one from dad) can be either A, B, or O (O being the absence of the gene), and since everyone has two chromosomes for this gene, an individual can be AA, AO, BB, BO, AB, or OO. Now, the only problem is that simple blood tests can't distinguish between an AA and an AO (or BB and BO), in other words, you can't see whats not there
So if Mom is AO (detected just the same as AA) and Dad is AO then ~50% of there kids will be AO, 25% will be AA, and 25% will be OO. but through simple blood tests 75% of their kids will be A and 25% will be O.
The + vs - factor really doesnt matter here and will only cause confusion.
If sombody is REALLY worried about paternity issues, simple and ~100% tests can be performed extremly cheap (and sometimes free).
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∙ 12y ago
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Can two o positives blood groups make a a positive blood group?
A and B
Can a male having oo positive blood mother A positive blood make baby B positive Blood?
Theoretically no, the child could only have A or o blood.
Is rh negative blood compatible with o positive?
can two o positive blood types make an RH Negitive baby
Can O positive and an A positive make O negative baby?
A person with A positive blood may be a carrier for O negative blood. If the other parent is also a carrier of those traits, the baby could be O negative.
What blood type do the parents have to be to make an A positive baby?
One of the parents must be A or AB, and one must be positive.
Can a mother with B positive blood type and a father with 0 negative blood type have a baby?
Yes, anyone can make a baby. It doesn't matter what blood type you have.
Can a baby with ab positive blood group come from parents with o positive blood group?
Yes! Yes indeed. Does the baby look like the mailman? No. O parents can't make AB babies.
Can the baby of an O rhesus positive and a A rhesus negative parent be A rhesus positive?
no cause a positive and negative make a negative unless the positive has a really strong blood line
What type blood does a negative male and o positive female make?
There's not enough information to give the probable blood groups since no blood group was given for the male. However, an rh negative male and an rh positive female could produce either an rh negative baby or an rh positive baby. The male is definitely homozygous recessive for rh factor, but the female could be homozygous dominant for rh factor, in which case the baby would be heterozygous for rh factor and it would be rh positive. However, if the female is heterozygous for rh factor, there is a 50% chance the baby would be rh positive (heterozygous) and a 50% change the baby would be rh negative (homozygous recessive).
Can an A negative and type O make a baby with AB positive blood type?
NO that is so stupid brainy.
Can a rh- and an a make an O baby?
We all get our blood groups from either our parents or even our grandparents so, yes.
Can a person that has o positive blood and a person with a positive blood make a child that has a negative blood?
CAN TWO POSITIVE BLOOD TYPES MAKE a negative blood type
