Are there any other probabilities for an O blood typed kid other than O & O parents?












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If an O+ individual has an O+ mother what are the probabilities for the blood type of his biological father?










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    If an O+ individual has an O+ mother what are the probabilities for the blood type of his biological father?










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      If an O+ individual has an O+ mother what are the probabilities for the blood type of his biological father?










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      If an O+ individual has an O+ mother what are the probabilities for the blood type of his biological father?







      blood-tests blood-donation blood-type






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          If a child has blood type 0, it means both his alleles are recessive (since A and B are dominant over 0); one of them he gets from their mother, and the other one from their father. That means that the father must have at least one recessive allele that he transfers to the offspring; so the possibilities of the father's genotype are 00, A0 or B0.



          As for the Rh inheritance, it is pretty much the same: positive allele is dominant over negative. So in order for somebody's phenotype to be expressed as positive, the child only needs one positive allele. We only know that the mother is Rh+, so likewise her genotype is either Pos/Pos or Pos/Neg. Therefore she either donates her Pos allele to the offspring - in this case, it absolutely does not matter what the child receives from his father; or she transfers her Neg - here, the child has to get a Pos from his father, which leaves the father with possible genotypes Pos/Pos or Pos/Neg.






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          • So the genotype is only what matters, I mean can the father in this case have A or B blood types?

            – user597368
            2 hours ago











          • @user597368 blood types are named after genotypes that code for them: blood type A has either AA or A0 genotype, B is either BB or B0, 0 is 00, and AB is pretty much self explanatory. And generally speaking - yes - just as anything in your body, the expression of certain trait depends on its gene.

            – practiZ
            58 mins ago











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          If a child has blood type 0, it means both his alleles are recessive (since A and B are dominant over 0); one of them he gets from their mother, and the other one from their father. That means that the father must have at least one recessive allele that he transfers to the offspring; so the possibilities of the father's genotype are 00, A0 or B0.



          As for the Rh inheritance, it is pretty much the same: positive allele is dominant over negative. So in order for somebody's phenotype to be expressed as positive, the child only needs one positive allele. We only know that the mother is Rh+, so likewise her genotype is either Pos/Pos or Pos/Neg. Therefore she either donates her Pos allele to the offspring - in this case, it absolutely does not matter what the child receives from his father; or she transfers her Neg - here, the child has to get a Pos from his father, which leaves the father with possible genotypes Pos/Pos or Pos/Neg.






          share|improve this answer
























          • So the genotype is only what matters, I mean can the father in this case have A or B blood types?

            – user597368
            2 hours ago











          • @user597368 blood types are named after genotypes that code for them: blood type A has either AA or A0 genotype, B is either BB or B0, 0 is 00, and AB is pretty much self explanatory. And generally speaking - yes - just as anything in your body, the expression of certain trait depends on its gene.

            – practiZ
            58 mins ago
















          2














          If a child has blood type 0, it means both his alleles are recessive (since A and B are dominant over 0); one of them he gets from their mother, and the other one from their father. That means that the father must have at least one recessive allele that he transfers to the offspring; so the possibilities of the father's genotype are 00, A0 or B0.



          As for the Rh inheritance, it is pretty much the same: positive allele is dominant over negative. So in order for somebody's phenotype to be expressed as positive, the child only needs one positive allele. We only know that the mother is Rh+, so likewise her genotype is either Pos/Pos or Pos/Neg. Therefore she either donates her Pos allele to the offspring - in this case, it absolutely does not matter what the child receives from his father; or she transfers her Neg - here, the child has to get a Pos from his father, which leaves the father with possible genotypes Pos/Pos or Pos/Neg.






          share|improve this answer
























          • So the genotype is only what matters, I mean can the father in this case have A or B blood types?

            – user597368
            2 hours ago











          • @user597368 blood types are named after genotypes that code for them: blood type A has either AA or A0 genotype, B is either BB or B0, 0 is 00, and AB is pretty much self explanatory. And generally speaking - yes - just as anything in your body, the expression of certain trait depends on its gene.

            – practiZ
            58 mins ago














          2












          2








          2







          If a child has blood type 0, it means both his alleles are recessive (since A and B are dominant over 0); one of them he gets from their mother, and the other one from their father. That means that the father must have at least one recessive allele that he transfers to the offspring; so the possibilities of the father's genotype are 00, A0 or B0.



          As for the Rh inheritance, it is pretty much the same: positive allele is dominant over negative. So in order for somebody's phenotype to be expressed as positive, the child only needs one positive allele. We only know that the mother is Rh+, so likewise her genotype is either Pos/Pos or Pos/Neg. Therefore she either donates her Pos allele to the offspring - in this case, it absolutely does not matter what the child receives from his father; or she transfers her Neg - here, the child has to get a Pos from his father, which leaves the father with possible genotypes Pos/Pos or Pos/Neg.






          share|improve this answer













          If a child has blood type 0, it means both his alleles are recessive (since A and B are dominant over 0); one of them he gets from their mother, and the other one from their father. That means that the father must have at least one recessive allele that he transfers to the offspring; so the possibilities of the father's genotype are 00, A0 or B0.



          As for the Rh inheritance, it is pretty much the same: positive allele is dominant over negative. So in order for somebody's phenotype to be expressed as positive, the child only needs one positive allele. We only know that the mother is Rh+, so likewise her genotype is either Pos/Pos or Pos/Neg. Therefore she either donates her Pos allele to the offspring - in this case, it absolutely does not matter what the child receives from his father; or she transfers her Neg - here, the child has to get a Pos from his father, which leaves the father with possible genotypes Pos/Pos or Pos/Neg.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 2 hours ago









          practiZpractiZ

          1063




          1063













          • So the genotype is only what matters, I mean can the father in this case have A or B blood types?

            – user597368
            2 hours ago











          • @user597368 blood types are named after genotypes that code for them: blood type A has either AA or A0 genotype, B is either BB or B0, 0 is 00, and AB is pretty much self explanatory. And generally speaking - yes - just as anything in your body, the expression of certain trait depends on its gene.

            – practiZ
            58 mins ago



















          • So the genotype is only what matters, I mean can the father in this case have A or B blood types?

            – user597368
            2 hours ago











          • @user597368 blood types are named after genotypes that code for them: blood type A has either AA or A0 genotype, B is either BB or B0, 0 is 00, and AB is pretty much self explanatory. And generally speaking - yes - just as anything in your body, the expression of certain trait depends on its gene.

            – practiZ
            58 mins ago

















          So the genotype is only what matters, I mean can the father in this case have A or B blood types?

          – user597368
          2 hours ago





          So the genotype is only what matters, I mean can the father in this case have A or B blood types?

          – user597368
          2 hours ago













          @user597368 blood types are named after genotypes that code for them: blood type A has either AA or A0 genotype, B is either BB or B0, 0 is 00, and AB is pretty much self explanatory. And generally speaking - yes - just as anything in your body, the expression of certain trait depends on its gene.

          – practiZ
          58 mins ago





          @user597368 blood types are named after genotypes that code for them: blood type A has either AA or A0 genotype, B is either BB or B0, 0 is 00, and AB is pretty much self explanatory. And generally speaking - yes - just as anything in your body, the expression of certain trait depends on its gene.

          – practiZ
          58 mins ago










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