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KLAMarine said:
sundin13 said:

Indeed there is. The reason is because biology is a lot more complex than a lot of people make it out to be and simplifying it into a binary is overly and misleadingly reductive. Thanks for asking.

Seems simple to me.

Penis = man. Vagina = woman.

Is genitalia the extent of biology? Like I said, boiling biology down to genitalia is overly reductive, as it ignores things such as genetic variations and hormone levels, which also fall under the banner of the biology of sex.