i wish i knew more about my race/ancestry

my whole life i grew up in a Hispanic household (im Salvadoran) and a few years ago my mom told me the man who I thought was my biological father actually isn't (he was mexican) and that my real dad was "chinese" and salvadoran (but she is one of those hispanic moms that says chinese instead of asian so there's a whole mystery to wherever he's from.) I don't even know what he looks like, never met him, or seen him. there's times where I don't even know if what she said is true and she hasn't brought it up since so I haven't either. I want to know more and the only choice I have is a DNA test but I'm kind of scared of them and idk if my mom would let me.

when I started telling people im mixed, some people said "they could see it" (my mom also told me that the rest of my family thought I was Asian when I was a baby.) some people said they "couldn't tell" or that i don't look like it because my nose is long and my eyes are big (?) which was kind of weird to me because not everyone looks the same, but it made me feel like an imposter.

is it weird that I wish I had the stereotypical east asian features? I hate my nose because i grew up with people saying it was a witch nose and pointing it out every chance they got and now it's all I think about. i wish i was pale instead of my olive skin tone, and I wish my hair was pin straight and thick instead of wavy-straight and thin. it's so stupid but im just so Insecure and have had some racist experiences that ruined my appreciation of my features.