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If you mean rarest, then AB-. == == == == == ==
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What is the least common blood type?
Officially, there are 8 different types of blood but it is close since there are positive and negative versions of blood types A,B,AB, and O. But the least common type would be blood type AB-.
What is the genotypes of a blood type A?
Blood type A may be AA homozygous or AO heterozygous. This blood type has at least one "A" and no "B."
What is the least common rh blood type?
AB-
The least common blood type?
type AB. it's very rare.
Which are the least common type of white blood cells?
The most common type of white blood cells are called Basophils
Can blood type A change to blood type O?
No, it can not change.
The least common blood type there is?
The least common blood type is type O negative. So she was on the right track. Both are very rare as most are A or AB positive or negative. Hopefully you can clear it up for her
Most people have O for their blood type, does this make it normal or just common?
O is actually the LEAST common blood type. It is the type of blood that is basically universal... so you can have type A blood but get an O transfusion and be ok. It is VERY rare to have O blood type. If you do have O blood type, go donate blood now!!
what determines if a baby's blood type is b ?
In order for your baby to have type b blood, at least one parent must have either type b or type ab blood. Blood type probabilities can be determined for babies by using a blood group calculator. Once a baby is born, the babies' blood will be tested to determine blood type.
Can parents both blood type b positive have a child with a blood type?
No. B type can only have B, O, and AB. A child with A blood would have to have at least one parent be A or AB.
Is O negative the least common blood type?
No, it's AB-
What blood GROUP do parents have to have a child with type o negative blood group?
at least one of them have negative group.
