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Does A Negative And B Positive Parents Have B Negative Child?

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Posted on Mon, 14 Jul 2014
Question: My blood type is a neg. my husband is b positive. Son is b neg? is that accurate?
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Answered by Dr. Michelle Gibson James (30 minutes later)
Brief Answer:
is possible

Detailed Answer:
HI, thanks for using healthcare magic

The A, B , AB or O blood types refer to the presence of specific antigens on the red blood cells. Antigens are a type of protein.

Persons with blood type A- have A antigen on the red blood cell

Persons wit blood type B- have B antigen on red blood cells

Persons with AB- have both a and b antigens

Persons with O- have neither A or b antigens

In addition to the type, a persons is either positive or negative. This means that either they have another type of antigen (rhesus factor) or they don't
If you have your blood type then has positive at the end (for example a positive or b positive)
If you do not have it then your type has negative at the end (a negative or b negative).


An A neg mother and B positive father can have children with different blood groups including B negative.

Summary: blood groups are possible groups seen
Note: Do you have more questions on diagnosis or treatment of blood disorders? Ask An Expert/ Specialist Now

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Michelle Gibson James

General & Family Physician

Practicing since :2001

Answered : 16808 Questions

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Does A Negative And B Positive Parents Have B Negative Child?

Brief Answer: is possible Detailed Answer: HI, thanks for using healthcare magic The A, B , AB or O blood types refer to the presence of specific antigens on the red blood cells. Antigens are a type of protein. Persons with blood type A- have A antigen on the red blood cell Persons wit blood type B- have B antigen on red blood cells Persons with AB- have both a and b antigens Persons with O- have neither A or b antigens In addition to the type, a persons is either positive or negative. This means that either they have another type of antigen (rhesus factor) or they don't If you have your blood type then has positive at the end (for example a positive or b positive) If you do not have it then your type has negative at the end (a negative or b negative). An A neg mother and B positive father can have children with different blood groups including B negative. Summary: blood groups are possible groups seen