[Cronos]

Mark Jewishness is matrilinear; if your father is Jewish and your mother is not, you are not considered Jewish until you convert.

--> good point, because Jesus was Jewish right, from His Mother's side. If Jewishness is through the paternal line....

[metmom]

The sin nature still comes through the man.

Show us where in Scripture it states that the sin nature comes through the woman.