While the order immediately drew fire from LGBTQ+ advocates, Delaware Rep. Sarah McBride, the first openly transgender person elected as a state senator, dismantled its premise with sharp humor and undeniable science.

In light of President Donald Trump's executive action declaring that there are only two genders, Congress' first openly transgender Congresswoman Sarah McBride reacts.

Trump announced his anti-trans order on his first day in office. Specifically, the order defines a female as a “a person belonging, at conception to the sex that produces the large reproductive cell,” while a male is a “person belonging, at conception, to the sex that produces the small reproductive cell.”