Answer:
These are only clues
for your sex it's either:
Female
Male
for gender/s:
Boy
Girl
Bisexual
Lesbian
Transgender
(LGBT++)
Sexual orientation is a term used to describe your pattern of emotional, romantic or sexual attraction. Sexual orientation may include attraction to the same gender (homosexuality), a gender different than your own (heterosexuality), both men and women (bisexuality), all genders (pansexual), or neither (asexuality).
Differences:
Sex has only two types. The Female and Male. It's considered once an offspring is born.
Genders is how a person sees himself. Wether if he/she feels straight, bisexual, lesbian, gay, etc.
Sexual Orientation is how you describe your pattern of emotional, romantic or sexual attraction.