Human populations living during the Holocene underwent considerable microevolutionary change. It has been theorized that the transition of Holocene populations into agrarianism and urbanization brought about culture-gene co-evolution that favored via directional selection genetic variants associated with higher general cognitive ability (GCA).
aka the people who didn’t eat their seed crop lived to tell about it
To examine whether GCA might have risen during the Holocene, we compare a sample of 99 ancient Eurasian
genomes (ranging from 4.56 to 1.21 kyr BP) with a sample of 503 modern European genomes
told ya so
You wouldn’t need to keep distinguishing it if they were synonymous.
(Fst = 0.013), using three different cognitive polygenic scores (130 SNP, 9 SNP and 11 SNP). Significant differences favoring the modern genomes were found for all three polygenic scores (odds ratios = 0.92, p = 001; .81, p = 037; and .81, p = .02 respectively). These polygenic scores also outperformed the majority of scores assembled from random
evolution is directed to fitness, quelle surprise
SNPs generated via a Monte Carlo model (between 76.4% and 84.6%). Furthermore, an indication of increasing positive allele count over 3.25 kyr was found using a subsample of 66 ancient genomes (r = 0.22, pone-tailed = .04). These observations are consistent with the expectation that GCA rose during the Holocene.
To a large extent, your survival is pre-destined.