1. Since Chalkiness is hereditarily regulated by QTLs, researchers have attempted to identify genes related to the formation of chalky grains by QTL mapping

2. Starting with one of them, Michisue, the position of Ōkimi-no-kami (chief genealogist of the imperial family) in the Ministry of the Imperial Household was passed down hereditarily.

3. In 1935 Nazi Germany, a law was passed permitting abortions for those deemed "hereditarily ill", while women considered of German stock were specifically prohibited from having abortions.