"We can't rule out the possibility that there was culture-geneinteraction, but all the variation we see could be explained by plain cultural evolution," Henrich said.
Several years ago, he refined a technique for turning gene-network "hairballs" - densely tangled depictions of geneinteraction - into hierarchical maps.
数年前，他提炼出一种技术，可以将基因网络“毛团”——对基因交互作用密集纠结的描绘——转化成分层图。
3
This and other data was used to argue that what determines whether an individual will get depression is a gene-environment interaction.