Umoih parents group of a blood 2, a rhesus the factor positive. At the analysis mine...

[Ellina]

Umoih parents group of a blood 2, a rhesus the factor positive. At the analysis of my blood it was found out, that at me group of a blood 2, a rhesus the factor negative. As it is possible to explain it

[Doronin V.A.]

Means your parents of a heterozygote on a rhesus to the factor. Such it is possible or probable.