Why are humans and chimps different? It is because of differences in the sequence of bases in their genomes, isn't it? Or are you saying that if a human concentrated really hard that they could give birth to a chimp?
All this puts me in mind of L. Ron Hubbard's view about what constitutes the mind.
My vague memories of his idea was that the personality of the person was not down to the physical substrate (the brain) but the mind was a self determined thing.
That's why he hated psychiatry and psychology because they claim you can affect the mind via physical interventions.
Seems to me a similar arguement is going on here: it's not the material which is important in is the non-material.
Perhaps it would be useful to explain to Elhardt for the purposes of his video the psychological mechanisms behind the assumption that all inheritance is in chromosomal DNA from a Cognitive Behavioural stand point....
What does cognitive behaviour psychology or therapy have to do with chromosomal DNA? As a cognitive behavioural therapist I would be fascinated.