Conversely, that a trait is very heritable doesn't mean there isn't hope for us. Language and dialect are very heritable, but we can learn new languages and eve

Conversely, that a trait is very heritable doesn't mean there isn't hope for us. Language and dialect are very heritable, but we can learn new languages and even adapt our dialect. Even if something is actually "genetically" heritable, we don't how heritable it would be over the space of all possible environments, just the ones we test.