replenish the earth, and subdue it: and have dominion over the fish of the sea, and over the fowl of the air, and over every living thing that moveth upon the earth.
Genesis 8:17 17 Bring forth with thee every living thing that is with thee, of all flesh, both of fowl, and of cattle, and of every creeping thing that creepeth upon the earth; that they may breed abundantly in the earth, and be fruitful, and multiply upon the earth.
9 And God blessed Noah and his sons, and said unto them, Be fruitful, and multiply, and replenish the earth.
Going through the clockwork again from Genesis 1 through to 24, only Genesis 8 and 9 mentioned of the command to be fruitful and multiply. This is echoing back to the very beginning of Genesis 1, confirms August as core reference and September.
If there are gay and lesbian couples populating in this earth, how would they be able to produce offspring for the next generation to come? This is evil as it destroys the plan of God, and disobeys His will. The issue with homosexuality is often related to sexual lust, and God would never accidentally put a male spirit into a female body, or put a female spirit into a male body. It is not biological issue, but it is more about the mindset, when people are confused in their identity that starts from their thinking.
Romans 1:27 And likewise also the men, leaving the natural use of the woman, burned in their lust