>>14374378XX is female
normal
XY is male
normal
XXX is woman (trisomy X/super woman)
very feminine, mild symptoms, sterile
XYY is male (super man)
very masculine, acne, tall, low iq somet imes sterile
XXY is male (kleinfelter syndrome)
micropenis, fat, feminine, fat tits, low iq, sterile
X is female
webbs between fingers, ultra wide neck, short, sterile.
Over all, it's the chromosomes, and the direction of genital development (wolf duct, muller duct, testis, nephros..) that determine sex.