Doctor insights on:
Mother Baby Blood Type Mismatch In Children
Mismatch: Clinically, it is the most important blood group system after abo. The commonly-used terms rh factor, rh positive and rh may lead to the production of maternal igg anti-d antibodies which can pass through the placenta. This is of particular importance to d negative females at or below childbearing age, because any subsequent pregnancy may be affected by the rhesus d hemolytic disease of the newbo. ...Read moreSee 1 more doctor answer
You can calculate it: Here's an online application to calculate blood types: http://www.biology.arizona.edu/human_bio/problem_sets/blood_types/btcalcA_popup.html It says the baby has equal chances of being A+, A-, O+ or O-. Best! ...Read more
All of them: The issue of blood type is not important when selecting a mate. Years ago we had issues with RH negative mothers, which is still a problem if the pregnancy is not monitored, but the Rh problem has become unimportant after discovery of meds that could cancel out the problem if used on time. Mom or dad can be any blood type and we can deal with it. ...Read more
If a mother has type o + blood and father is b+ or negative what are the possibilities for the child's blood type?
Is it possable for a mother who had b- blood type and a father who has o+ blood type to have a child with ab+ blood type? N/a
No. : No. The children of parents with b- and o+ can only be b+ or b- or o+ or o-. Legal disclaimer: I am providing this general and basic information as a public service and my response to this question does not constitute a doctor-patient relationship. For any additional information, advice, or specific concerns, please speak with your own physician. The information provided is current as of the date of the answer entry. ...Read moreSee 2 more doctor answers
Sure: The Coombs test (named for a Professor Robin Coombs, a British immunologist) looks for certain types of antibodies floating in the serum or attached to one's red blood cells. The antibodies can be related to "minor blood types" instead of the major ABO/Rh blood groups. If so, all three people can be A+ blood type, and still have a positive Coombs test in the baby. ...Read more
The mother blood type is O- and the father blood type is O+ and they have two children one of them blood type is AB+ and the other one is B+. How?
Adoption: If this is just a puzzle adoption is the answer. These 2 designated parents will not have offspring with the listed blood types. Either there are mistakes in the type testing for the kids/parents or another factor is involved. ...Read more
If a child's blood type is o positive could the alleged father's blood type be b+?The mother has o+ blood
Yes: B blood is created when an individual has one or 2 genes for B. If the B blood person has one gene for B the other gene must be O. Each person has 2 blood type genes, one from each parent that will define their type. An O parent can only have two O genes. An O parent matched with a B parent can have O or B kids. ...Read more
If one parent belongs to b blood type and another parent belongs to o blood type, is it possible for them to have a child with a blood type?
ABO blood typing is : Not sufficient to prove or disprove paternity or maternity because of possible testing difficulties. If concerned, consult your doctor. Chromosomal microarrays can be done on buccal swabs from parents ; infant by the lineagen company in salt lake city, ut, (801) 931-6224. If one parent has b blood type ; the other 0, one would expect their infant to have either b or o blood type. ...Read more
What happens if two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotypes?
Homework problem: Probably both parents have one copy of the B allele and one copy of the O allele. There are other exceptional situations -- each parent may carry Bombay, which when inherited from each parent masks B. And there are some weak alleles. Enjoy your studies. ...Read more
Yes indeed: Blood cells show A or B antigens - if neither are present the blood type is O. A parent will AO or AA genes will be Type A. Since the child gets one gene from each parent - if both parents are AO and both pass the O to the child -- then the child will be O. The options are AA, AO, OA and finally 1 out of 4 gets the OO - and is type O. pretty cool stuff huh? ...Read moreSee 1 more doctor answer
Not possible: It is possible for the child to be rH negative if both parents are hybrid rH positive (one positive and one negative rH gene), but if they are both type O can only have type O children. Either one of them is not the biologic parent, or someone's blood typing is a mistake. Someone had to give that B gene. ...Read more
Any: A, B, O, AB, each either Rh positive or negative. Either or both of your parents may carry a recessive O (H) allele and/or a recessive Rh negative allele. This is basic mendelian genetics and I am glad you are mastering it. ...Read more
What do you advise if I'm o+ and my mother is a+ but I don't know my father's blood type, what are the possibilities?
Mendelian genetics: O A or B. Pos or Neg. And there are rare maverick alleles that don't obey rules. ...Read more
My mother claims she has an O- blood type but insists also contains the RH factor. How is this possible if possible at all.
Possibly Du positive: It is possible she is simply confused and thinks there is a negative Rh factor and a positive Rh factor, but there may be another explanation. The normal Rh factor is referred to as "D" but there is a weak variant referred to as "Du". Your mother could be D negative but Du positive and under certain circumstances might appear to be O negative. Nevertheless she is still considered Rh positive. ...Read more
A mother has a as her blood type and her husband is o. But their daughter's blood type is b. Is that possible?
Clearly yes....: ....It's possible for the baby to be b. But the husband isn't the father. This assumes that you have all the blood types right. Before you stir any pots, i would make very, very sure that the mother and her husband are the blood types you think they are. If mom is actually a or ab, or dad is b, then he could be the father. The baby has to get the b type from someone. ...Read moreSee 1 more doctor answer
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