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Yes, they can, since both parents can carry the "hidden" recessive gene that is not expressed and pass it on to their children.
The genotyping goes as follows:
Possible alleles for type A blood: Ao (heterozygous) or AA (homozygous)
Possible alleles for type O blood: oo (the only possibility in normal people would be recessive homozygous).
If both parents are Ao, then both are type A but pass on their o gene to their child. The odds this happening are 1 in 4.
For type Rh positive blood: Pn (heterozygous) or PP (homozygous)
And for type Rh negative blood: nn (the only possibility in normal people would be recessive homozygous).
If both parents are Pn, then both are positive but pass on their negative gene to their child. The odds this happening are also 1 in 4.
The odds of getting a normal child that is both type O and negative from parents with those genotypes is 1 in 16 (1/4 times 1/4)
What else can I help you with?
Can an o positive mother and an o negative father have an a positive baby?
can an o positive and an o negative make an a positive baby
Can both o positive parents have a o negative baby?
Nope, the baby will be O positive as well.
Mother is o positive and father is o positive Does this mean baby will be o positive?
No. There's a small chance the baby will be O negative--if both parents have an Rh negative (recessive) allele, and the baby inherits this allele from both parents, the baby would be Rh negative. But if the baby inherits the Rh positive allele from either parent, the baby will be Rh positive.
Can ah O negative and a O negative have a baby with O positive?
No. Two negatives can't make a positive.
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.
When father is o negative and mother is o positive does it will effect to o positive baby?
no
Can a O negative father and A positive mother produce a AB positive baby?
the baby may be A or O.
Can a baby have A positive blood if the mother is O positive and the father is O negative?
No
Can a o positive father and a o negative mother have an a positive baby?
sometimes
If father is a positive and mother is O negative can the baby be O positive?
yes
CAN A mother be a positive dad o negative and have a a positive baby?
Negative is recessive...you can have a negative also.
Can a parent with A positive and a parent with O positive have an A negative baby?
No
