Board Thread:Naruto Discussions/@comment-30881771-20170718222407/@comment-32117903-20170807172037

Possibly. For all we know, all the White Zetsu were converted males. So it is possible that there could be female White Zetsu. Spiral Zetsu (aka Guruguru aka Tobi) died after the Infinite Tsukuyomi was cancelled.

On the other hand, it is possible the White Zetsu have no genders.