No, a Mexican citizen cannot travel to Mexico without a passport.
"Mexican" is a nationality-- a Mexican is a citizen of Mexico.
No. Neither will automatically become citizen of the other country.
no they do not the Mexican instead becomes an American citizen
No.
father borm in san francisco but the mother is an mexican citizen and baby born in mexico is the baby an american citizen
Yes
Yes, you need a Mexican passport to travel to Mexico if you are not a Mexican citizen.
no,you cant be a Mexican citizen if you weren't born there
No. Immigrants must fulfill certain requirements to become Mexican nationals.
Yes, you do.
Last time I checked no. Even if you become a citizen of Mexico, you don't have all of the rights of native mexicans.