Nope. The biologically “hardwired” part is the capacity to distinguish. And it’s not primarily a capacity to differentiate; this is, it isn’t both “you lack this trait” and its opposite, it’s just “you have this trait.” The distinguished trait is entirely socialized (which makes sense, since Baby needs to base its preference on what the group caring for it values), as is the reaction to those lacking the trait (Baby might be neutral or fear them, according to how the group reacts).
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