https://www.sciencealert.com/we-re-still-not-doing-enough-to-make-our-genetics-studies-unbiased
The statistics tell their own story: as of 2018, individuals included in genome-wide association studies (GWAS) were 78 percent European, 10 percent Asian, 2 percent African, 1 percent Hispanic, and less than 1 percent all other ethnic groups.