It's possible and has a 25% chance of occuring with heterozygotic type positive parents. Both carry the gene for type negative but since it's recessive, it isn't expressed unless both genes are the same (IrIr).
The genetic cross for it would look like this:
IRIr (mother) x IRIr (father)
Child: IrIr
Probabilities for first the generation: 25% : IRIR (type positive homozygote), 50% IRIr (type positive heterzygote) and 25% : IrIr (type negative homozygote)
B positive.
You could be A positive, A negative, O positive or O negative.
normally they have "o" plus or negative.
No - a pos can not donate blood to a negative
A person with A- blood can not receive A+ blood at any time.
o negative
A positive
Just because the babys blood and the fathers blood is different, it doesnt mean that there is a possibility that he ain't the father. For example, my fathers blood is different from my sisters and including but he still my father. I hope that answered your question. You are A dominant, but you have the O+ recessive gene. To rephrase what the others have said- if the mother is A plus, she would be AA or AO bloodtype. The father is something with an O as well, if the baby has an O. Father could be BO< AO< OO etc. (or he could have negative blood, and still have a positive blood child from this union)
No there will be no problem if mother's blood group is posotive and father's is negative as during pregnance if fetous is negative then when parturation occurs and if mothers blood is mixed with child blood then even there is no problem as both have -ve and in case if child have blood group +ve then even due to presence of -ve blood of mother it will not create any antibodyBut if the blood group of parents are reversed then there can be a problem
No although type O can donate to anyone the positive (plus) can not be put into a blood with negative. This would cause blood clumping and would be very bad.
No - a pos can not donate blood to a negative
No it is not..The blood group is O negative.