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robertsnj · 56-60, M
I think (and I may not be that smart in biology) that genetic drift would support that idea. Random mutations cause new species that happen pre-birth causing the off spring to be somewhat dissimilar to the parents. In that idea the first chickens were naturally occurring genetic mutation's from another species that pre-dated its gene line. That would have happened in birth meaning the egg came first.
National Institutes of Health is suggesting that the red junglefowl was the main ancestor of domestic chicken and that the drift happened almost 8100 years ago.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8214436/#:~:text=The%20data%20suggested%20that%20the,%3A%207%2C014%E2%80%938%2C768%20years).
National Institutes of Health is suggesting that the red junglefowl was the main ancestor of domestic chicken and that the drift happened almost 8100 years ago.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8214436/#:~:text=The%20data%20suggested%20that%20the,%3A%207%2C014%E2%80%938%2C768%20years).
