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We are looking for the possible blood types of a baby.

Parental information:

  • Mother type O neg = can only be OO and Rh (--)
  • Father type A pos = can be AA or AO and Rh (++) or (+-)
Baby recieves one gene from each parent:
  • Baby is type AO Rh (+-) = A pos
  • Baby is type AO Rh (--) = A neg
  • Baby is type OO Rh (+-) = O pos
  • Baby is type OO Rh (--) = O neg
YES, the baby of these parents can be type O neg.
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Wiki User

10y ago
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Wiki User

11y ago

Both would have to have a recessive gene for O negative.

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Wiki User

12y ago

I think there's some misunderstanding about the facts. Two parents with type O blood can only have children with type O blood.

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Wiki User

14y ago

no

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Q: How can an O positive mom and an A positive dad have an O negative baby?
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Related questions

What if mom is a positive and dad is a negative can baby be 0 negative?

yes


Can o negative dad and a positive mom have a baby?

Yes


Can a A positive mom have a b positive baby with a O negative dad?

yes


Can baby be negative if mom is positive and dad negative?

It takes two rh negative parents to produce an rh negative baby.


Can an O positive mom and an A negative dad have an a positive child?

No, they cannot.


Can a baby have O positive if mom is B positive and dad is O negative?

Yes, the baby can be O+, it should be noted though if the mother also carries the trait for a negative Rh factor the baby clould also be O-.


Can an O negative mom and an A positive dad have an O positive child?

No, they cannot.


Can a o positive mom and a b positive dad have a healthy baby?

of course.


Can your daughter be o negative if her dad is o positive and mom is o negative?

of course, yes.


Do I need to be the same blood type as my egg donor?

For blood types, you must consider the antigens and antibodies that are involved. epending on the presence or absense of these proteins, a person may have A, B, AB, or O blood. With pregnancy the chief concern is the Rh factor, which determines whether somebody is positive or negative. If mom is positive and da is positive, then the baby will be positive for the Rh factor, and there will be no complications. This same concept occurs for parents that are both negative for the Rh factor. If mmom is positive and dad is negative, then the dominant gene (positive) will be found in the baby and there will be no problems. However, if mom is negative and dad is positive, then the baby will attain a positive Rh factor and be inside the mom's (negative) body. Then, the om's body will produce antibodies to ward off the foreign blood of the baby, possibly killing it. As long as a doctor is informed of this, the mom can take shot periodically to prevent the production of such antibodies an keep the baby safe.


If a mom has Rh negative blood and the daughter has ab negative what would the dad have?

A, B, or AB, positive or negative


If mom is type ab plus and dad is a plus what would your blood type be?

You could potentially be: A Positive B Positive AB Positive A Negative B Negative AB Negative