not possible but rarely can be
rarely can be
it can be rare only
If the mother has type negative blood, and the father and child have type positive blood, the mother's blood may begin to attack the child's.
yes, absolutely
The child will probably be positive, but they can be negative. Each parent has two genes for pos/neg blood type. The parent will have positive blood type if at least one of their genes is positive, but they could both also have negative genes to pass on to the child.
no
No. A parent with AB blood cannot have a child with O blood type.
yes
Yes.
Yes! Parents have two genes for pos/neg blood type, and only one of them needs to be positive for the parent to have positive blood type. Most positive-blooded people have one positive gene and one negative gene. If both positive parents pass on their negative gene, they can have a child with a negative blood type.
Answer Mostly with Parent's groupes.
Sure, if the mother is Rhesus (D) positive