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A member asked:
I am aware that o+ parents will only have o+ baby. but, is there any case of o+ parents having a+/b+/ab+ baby? are there any chances for that?
3 doctors weighed in across 2 answers
Nope: The o blood type is recessive; if either parent has an a or b gene, that's the blood type they will have. Two type o parents can only have a type o baby.
Answered 1/22/2015
5.5k views
Yes: Two blood group o parents can have a, or b but not ab child. If one of the parents appears to be blood group o but has a rare blood group called bombay phenotype, they can have a baby with a or b blood group. See this site for information on this topic. http://www.ncbi.nlm.nih.gov/books/nbk2268/.
Answered 1/5/2013
5.5k views
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