“According to gender theorists, it is impossible to base gender on biological facts because we cannot objectively know those facts—or any other facts either. After all, we can make sense of facts only when we interpret them, and all interpretations are conditioned by our culture and history. Every definition of what it means to be biologically male and female is a product of cultural forces.” (Nancy Pearcy)

Genesis 1:26-28 (ESV)

Then God said, “Let us make man in our image, after our likeness. And let them have dominion over the fish of the sea and over the birds of the heavens and over the livestock and over all the earth and over every creeping thing that creeps on the earth.” So God created man in his own image, in the image of God he created him; male and female he created them. And God blessed them. And God said to them, “Be fruitful and multiply and fill the earth and subdue it…”

Matthew 19:4-5

Jesus answered, “Have you not read that he who created them from the beginning made them male and female, and said, ‘Therefore a man shall leave his father and his mother and hold fast to his wife, and the two shall become one flesh’?