Can a brother and sister have different blood types?

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Can a brother and sister have different blood types?

Yes, two siblings from the same parents can have different blood groups from their parents. This is because the four ABO blood groups, A, B, AB and O, arise from a child inheriting any one of each blood group gene forms (or alleles) A, B or O from each biological parent.

Can someone with O blood have a child with B blood?

In most cases, an O parent and an AB parent will have only A or B kids. It is only very rarely that they might have an AB or an O child (see the links at the end for these exceptions). Isn’t genetics fun!

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Does child have same blood type as parents?

Yes, a child is able to have a different blood type than both parents. Which parent decides the blood type of the child? The child’s blood type is decided by both parents’ blood type. Parents all pass along one of their 2 alleles to make up their child’s blood type.

Which blood type is healthiest?

What Does Your Blood Type Mean for Your Health?

  • Heart Disease. Of the eight main blood types, people with type O have the lowest risk for heart disease.
  • Cancer. Studies have found that people with blood type A or AB are at higher risk for stomach cancer.
  • Stress.

Can Type A and B make O?

Can an AB father and an A mother have an O baby? Yes they can. An AB parent can indeed sometimes have an O child. But it is by no means common.

Can siblings have different blood types?

If the baby has either two Bs, or one B and one O, the child has Type B blood. If the baby has one A and one B, the child has Type AB blood. If the child has two Os, the child has Type O blood. So depending on which genes the parents have, siblings can easily have different blood types.

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Can two O blood type parents have a baby?

O blood type. For example, two O blood type parents can produce a child with only O blood type. Two parents with A blood type can produce a child with either A or O blood types. Two parents with B blood type can produce a child with either B or O blood type.

Which blood type does the child have to match the parent?

For example, parents with AB and O blood types can either have children with blood type A or blood type B. These two types are definitely different than parents’ blood types! They will match both parents. Similarly, which parent determines the blood type of the child? Just like eye or hair color, our blood type is inherited from our parents.

What is the difference between OO and AB blood type?

The O allele is recessive and the A and B alleles are co-dominant. Type O blood is always OO and type AB always AB in genetic structure. Type A can be AA or AO, and type B can be BB or BO. That’s why two offsprings from the same parent can have different blood types.

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