The figure above shows a most interesting result from a new preprint, FADS1 and the timing of human adaptation to agriculture. It shows the allele frequency change using ancient Eurasian genomes for the derived allele at FADS1. In case you don’t know why FADS1 is important, it’s been implicated in variation long-chain polyunsaturated fatty acids (LC-PUFA) metabolism. The derived allele, … Continue reading The 4,000 year explosion