Technically speaking, someone who straddles the biological border between 'male' and 'female' sex categories is:

Question

Quizplus · Accepted Answer

Intersex is the most accurate term to describe someone who is born with biological variations that do not fit typical male or female categories. Transgender refers to someone whose gender identity does not match the sex they were assigned at birth. Cisnormative describes the societal idea that everyone should identify with the sex they were assigned at birth. Sex-nonconcordant is not a commonly used term in this context. Transsexual is a dated term that is no longer considered appropriate.

Technically Speaking, Someone Who Straddles the Biological Border Between 'Male