The Y chromosome makes its owner male because it carries the male-determining gene.

Y染色体让携带者之所以成为男性，是因为它携带了雄性决定基因。

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We, of course, know that with time, culture and socialisation do play a role in determining a male brain or female brain.

当然，我们知道假以时日，文化和社会化确实在决定男性大脑或女性大脑方面起一定的作用。

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The algorithms proved 88% accurate for determining male sexuality, 95% accurate in distinguishing African-American from Caucasian-American and 85% for differentiating Republican from Democrat.

BBC: Facebook 'likes' predict personality

So, Saturday morning, a team of scientists and veterinarians artificially inseminated the Smithsonian National Zoo's female giant panda Mei Xiang, after determining that she and her male consort Tian Tian had "no competent breeding" overnight, according to a statement from the National Zoo.

CNN: Giant panda gets artificially inseminated

His conclusion: Courts may have a tougher time than you think determining why female circumcision could be made illegal but male circumcision not, even on religious grounds.

FORBES: I'm Not Making This Up Dept.: San Francisco Mulls Ban On Circumcisions