McCrory's executive order bans boys from wearing clothing with bright colors in public elementary and secondary schools because of a concern, he said, they act as "gateway colors."
"The governor believes that if boys wear clothes with colors traditionally worn by young girls, this can cause gender confusion for the boy," said Hugh Strait, a spokesman for the governor.
Other states, including Mississippi, Tennessee, and Indiana, are considering similarly restrictive laws.
The executive order comes several months after political conservatives criticized Frito-Lay for offering rainbow-colored Doritos -- in green, blue, purple, red, and orange -- to benefit a non-profit LGBT group, It Gets Better.
In late September, Mike Huckabee, then a Republican presidential candidate, called on Frito Lay to quit offering the "gay" snack food. In addition, another conservative commentator called Doritos a "gateway snack" designed to introduce children to homosexuality.
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