There will always be a change in genetics from generation to generation. Say I have OG Kush with 3 phenos; 1, 2 and 3. If I take OGK1 and self it the seeds may have 3 phenos but they will all be more reminiscent of pheno 1 than 2 or 3. So OGK1 might produce OGK1a, OGK1b, OGK1c. Now if you...