Modern chads, virgin cavemen?
A 12,000-year time trend in a DNA variant linked to sexlessness
TL;DR: When we track the top genome-wide hit from Abdellaoui et al., 2025, its frequency declines toward the present across ancient Eurasian genomes. After adjusting for latitude and coverage and binning samples in 500-year windows ≤12k BP, a simple weighted regression shows a negative time trend (slope ≈ 0.0105 per kyr in “years BP” coordinates; i.e., …


