&gt; The review article...includes the statement &quot;Moreover, even highly heritable traits can be strongly manipulated by the environment, so heritability has little if anything to do with controllability. For example, height is on the order of 90% heritable, yet North and South Koreans, who come from the same genetic background, presently differ in average height by a full 6 inches (Pak, 2004; Schwekendiek, 2008).&quot;<p>If you think this is contrary to Hsu&#x27;s position, you don&#x27;t understand his position.