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From your question I understand that both parents has O+, and they had a child with B- blood type. ( if i understand the question in the opposite way please let me know )
the (negative) may come if both parents are heterozygous. (Rh+Rh-)
but parents with type O can't have a baby with type B it's impossible.
What else can I help you with?
Does a child blood group have to match with parents blood group?
No, a child's blood group does not have to match either parent's blood group exactly. A child's blood group is determined by a combination of the parents' blood types, following specific inheritance patterns. It is possible for a child's blood group to be different from that of their parents.
Can o positive blood group and o positive blood group parents have child?
Yes, blood type has no bearing on weather or not the parents can have a child
Can parents with o blood group and a blood group produce a- Blood group child?
Yes, parents with O and A blood types can have a child with A- blood type. The child would inherit one A allele from the parent with A blood type and one negative Rh factor from the parent with O blood type.
Can O positive blood group and B positive blood group parents have child?
Yes, it is possible for parents with O positive and B positive blood groups to have a child with either O positive or B positive blood group, as each parent can pass on either their O or B allele to their offspring.
Can parents with blood group o positive and a positive have child with a positive blood group?
yes, for the blood types there are 2 genes that decide ABO/+- the ABO is based on a gene with 3 genotypes, which are i, IA and IB if a person has ii, they have O blood, if they have iIA or IAIA they have A blood, if they have iIB or IBIB they have B blood and if they have IAIB they have AB blood positibe/negative is the rhesusfactor, it actually works with 3 genes(C, D, and E), but anything other than cde/cde will give rhesus-positive blood, so a parent with ii-cde/cde will have O-negative, and iIA/CDe/CDe will give A-positive, the only 2 blood-types the children can have with this set of parents are A-positive and O-positive
Does a child blood group have to match with parents blood group?
No, a child's blood group does not have to match either parent's blood group exactly. A child's blood group is determined by a combination of the parents' blood types, following specific inheritance patterns. It is possible for a child's blood group to be different from that of their parents.
Can o positive blood group and o positive blood group parents have child?
Yes, blood type has no bearing on weather or not the parents can have a child
Can parents with A blood group have a child with O?
The child has A,O blood groups.
Can child with AB- have parents with O blood?
If parents are O.Child is with O blood group.
Can the blood group of parents be different from their child?
yes they can
Can parents of b blood group have the child?
of course :) why not !!
Can a child with blood group a have two parents who are blood group o?
No. One would have to be A or AB.
If both the parents are plus ve blood group then child can be of -ve blood group?
possibility not
If a child does not have either one of his parents blood type is he there child?
yes. If one parent has blood group A (as in genotype AO) and the other has blood group B (as in genotype BO) can have a child with blood group O
Can both parents with blood group B have a child with blood group O?
Type your answer here... yes
Can a child have a different blood group than that of the parents?
Yes
What will be the blood group of a child if the parents were bb?
If both parents are genotype BB, the child can only be blood type B. The child's genotype would also be BB.
