Tafsir of Al-Qiyamah 75:38

Then he became an `Alaqah; then shaped and fashioned in due proportion. meaning, he became a clot, then a lump of flesh, then he was formed and the soul was blown into him. Then he became a perfect creation with healthy limbs, as either a male or a female by the permission and decree of Allah. Thus, Allah says,

فجعل منه الزوجين الذكر واﻻنثى