So, to clarify, in that comment by me, “guided” (and, in fact, my whole comment) definitely implies “directional”. But let’s not get hung up on this one word. T

So, to clarify, in that comment by me, “guided” (and, in fact, my whole comment) definitely implies “directional”. But let’s not get hung up on this one word. The comment was about encoding learned experience in the DNA of gametes (i.e. Lamarckism), and the fact that this requires a (nonexistent) mechanism.