One of President Donald Trump's executive orders offers a new federal government definition of the sexes that could have a major impact on transgender people. Here's a look at how.

The executive order’s definitions of male and female left room for interpretation contrary to the spirit of the order.

Clearly, this order is not fully informed by current biological science,” said Dr. Richard Bribiescas, president of the Human Biology Association.

(d) “Female” means a person belonging, at conception, to the sex that produces the large reproductive cell. (e) “Male” means ...