Family Tree DNA Factoids
From SNPedia
Family Tree DNA report the following SNPs to their customers as "Factoid Results":
Alcohol Flush Reaction:
Avoidance of Errors:
Back Pain:
Bitter Taste perception:
Caffeine metabolism:
Earwax Type:
Freckling:
Longevity:
Male Pattern Baldness:
Warrior Gene:
Family Tree DNA directly measure the number of repeats in the MAOA gene promoter. This isn't measured directly by 23andMe or supported by SNPedia or Promethease. However it is in very strong linkage disequilibrium with the following proxy SNP (at least in one study):
Muscle Performance:
Nicotine dependence: