If thoughts made changes in the hormonal regulation in a system like our body, it will lead to effect the replication prosses of a DNA, it result the functional unite (Proteins) changes. it express the organization of an organism. is it so....
According to Dr. Bruce Lipton :- your mind is reflected in the chemistry of your body
Dr. Lipton’s :- your mind can alter the activity of your genes and create over thirty thousand variations of products from each gene
https://michellemcleary.nl/coaching/scientists-finally-show-thoughts-change-genes/