Anonymous

Can B Positive Blood Mother And B Negative Blood Father Have A Child Together?

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5 Answers

Anonymous Profile
Anonymous answered
From my understanding (as a biology professor, not a medical doctor), this should not pose a problem. Problems can arise when the mother is a negative blood type.

Here's why:
Negative blood types are lacking a certain protein that positive blood types have. If a woman has a negative blood type (no protein) and she has a child with a positive blood type (has protein), her immune system may recognize that protein as a threat, causing complications in pregnancy.
However, for a woman who has a positive blood type, her immune system has already learned to recognize the protein as non-harmful, so there should not be difficulties resulting from blood type during pregnancy.
marts gonzalez Profile
marts gonzalez answered
I'm b postive and my husband is a negative with are differernt blood type would that be a problem for me to get pregnant
Anonymous Profile
Anonymous answered
YES THEY CAN...You would have a B or O baby with a - or + RH factor!   The
information supplied by you are as follows


  Mother's group
B

  Father's group
B

  Mother's Rh
Rh-

  Father's Rh
Rh+

  
For the above information

  The Child will be


B or O   ,  Rh+ or Rh-
Anonymous Profile
Anonymous answered
My question is can a mother with b blood type and father a O positive can they have a child with B?
thanked the writer.
Person McPersonson
Yes. Type O blood is caused by a recessive gene, so there is AT LEAST a 50% chance (this figure assumes that the mother carries the recessive O gene, which is more likely than her having two copies of the dominant B gene — if that IS the case, the chance jumps to 100%) that the baby will have type B blood.
Shaheen Pawane Profile
Shaheen Pawane answered
If mother is A negative and father is B positive can child would be O negative
thanked the writer.
Person McPersonson
Yes. Type O blood is caused by a very common recessive gene — there is a good chance that both parents carry said gene. If they do, there is a 25% chance of the child having type O blood. As for the Rh antigen (positive vs. negative), the gene that creates that protein is dominant — so someone with A- blood has two copies of the Rh- gene, whereas someone with B+ blood has one copy of the Rh+ gene, and one unknown. Assuming the unknown is Rh-, there's a 50% chance that a baby they have would have Rh- blood.

All in all, assuming that both have the right recessive genes, there's a 12.5% chance of this occurring.

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