The alleles for Immunoglobulins are carried on autosomal chromosomes, not on sex chromosomes. Hence, both parents are equally responsible for a baby's blood type.
Nope.
yes, absolutely
Of course!
yes because maybe the babys mom did. or maybe other generations of the babys parents did. or on and on.
well the answer and yes and no sometimes they have a and some times they don't
well the answer and yes and no sometimes they have a and some times they don't
A B+ parent can have a child with A+ blood. The other parent must be type A or type AB for this to occur.
For a transfusion - blood type O can donate to blood type B. However, blood type O cannot except B-type blood. For offspring, with one O parent and one B parent - the child could be blood type O or B depending on the genotype of the parent with B-type blood.
No.
Yes, it is possible for a negative blood type parent and a positive blood type parent to have a negative blood type child. This can occur if the positive parent is heterozygous for the Rh factor gene, allowing for the possibility of passing on a negative Rh factor to the child.
Yes, you can have a sister with blood type O and you can be blood type B. This can happen if you have one parent with type AB or B blood, and other parent with type O or B blood.
no, see chart: http://www.canadiancrc.com/Paternity_determination_blood_type.aspx