Gender expression and identity refer to the gender you feel comfortable expressing and identifying with, which might or might not be aligned with the biological sex you were assigned at birth.

CNN: Youth: Straight, LBGT or 'other'?

The gender identity provisions, meanwhile, undermine the right of employers to impose reasonable dress and grooming standards, by forbidding employers to use the most fundamental standard of all -- that people be dressed and groomed in a way that is culturally appropriate for their biological sex.

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Currently it is compulsory for all maintained schools to only teach the biological aspects of sex education.

BBC: Bryant calls for mandatory sex and relationship lessons