The Bodhisattva Avalokitesvara can be seen as have an indeterminate gender. Quoting from this website

One interpretation of this development contends that the bodhisattva is neither male or female but has transcended sexual distinctions [...] the flowing drapery and soft contours of the body seen in statues and paintings have been intentionally combined with a visible moustache to emphasize the absence of sexual identity.

So the issue of gender can take on a more flexible interpretation with some more Mahayana aspects of Buddhism

The Bodhisattva Avalokitesvara can be seen as having an indeterminate gender. Quoting from this website

One interpretation of this development contends that the bodhisattva is neither male or female but has transcended sexual distinctions [...] the flowing drapery and soft contours of the body seen in statues and paintings have been intentionally combined with a visible moustache to emphasize the absence of sexual identity.

So the issue of gender can take on a more flexible interpretation with some more Mahayana aspects of Buddhism