Trump executive order declaring only ‘two sexes’ gets the biology wrong, scientists say

During his inauguration speech Monday, President Trump promised to make America binary again. 

“It will henceforth be the official policy of the United States government that there are only two genders, male and female,” he said. Within hours, he had signed an executive order to that effect, asserting a new legal definition of sex that strips federal recognition of the gender identity of some 1.6 million trans and nonbinary Americans.  

The order directly contradicts a number of existing laws and recent court rulings and is likely to face legal challenges. It also defies decades of research into how human bodies grow and develop. 

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