The sex chromosomes. XX is female and XY is male.
gender identity
The genes that determines gender can be found in the Y chromosome.
Chromosome pair 23 determines the gender of a human. These chromosomes will either be two X's for females, or an X and a Y for males.
The weight and density of a persons bone structure determines the body frame.
what their ancesters did for a living
They have a fin, which determines, if their gender
gender
It's someone who does not feel internally that they identify with either gender. Sex is hard wired, gender is too. But just like you can get ambiguous genitalia and chromosomal abnormalities in sex typing, you can get people who just don't feel male or female. People are going to have male parts or female parts or both that determines their gender role in society. But on the inside they don't identify as a male or a female. They feel as though they don't have a gender at all. Sexual relations are difficult because these persons do not get arroused due to the balance between male and female. Much more isn't known about gender neutral / gender queer persons as of yet, but we are still learning about this difficult lifestyle.
it determines the gender of a human being
It is a nominal scale.
TRUE.
it depends on how well you live in this life