Yes... If there is no relationship between DNA or a link to a specific immediate family or trace of biological relation; then it would be looked at as a normal marriage
Yes
You can marry anyone, no matter the bloodtype.
Blood type has nothing to do with getting married. You can marry no one asks you your blood type.
no
see a doctor for such questions
yes
yes
yes
see a doctor for such questions
you can marry anyone you want
Yes, but its possible the girl would need shots if she got pregnant.
yes