By Kamal Weerakoon The biological basis of binary sex should not be contentious. Our bodies demonstrate certain consistent patterns. Science carefully examines and exhaustively documents those patterns. And those patterns demonstrate that there are only two sexes. But this begs the question of what authority our embodied biology has over our understanding of our self, and following on from that, what authority our biological constitution has to guide our way of life. Biology may indeed be binary. But - so what? What right does binary biology have to 'identify' me – to authoritatively tell me something about my self and how I should present and relate to others? Christianity’s doctrine of creation gives Christians good reasons to recognise the authority of embodied biology. God’s creation of humanity as male and female ( Gen 1:26-28 ) is consistent with the binary nature of other animals ( Gen 6:19-20 ) and is an aspect of the goodness – the overall integrated wholesome...