The phrase "has here to learn anew, as one learned anew about heredity and 'innateness'" emphasizes the need for a fresh understanding of how traits and characteristics are inherited and developed. It suggests that existing knowledge may be outdated, urging individuals to reevaluate their assumptions about heredity, which involves the genetic transmission of traits, and innateness, referring to inborn qualities.
Improve the genes
Antithesis of values" means the complete opposite of a set of values
the belief that the world can be divided into opposites, starting with the opposition of truth and falsehoo