Thank you milkcircle for your detailed and precise answers for my specific questions! And also going beyond to bring up another paper following up on nurture in

Thank you milkcircle for your detailed and precise answers for my specific questions! And also going beyond to bring up another paper following up on nurture in terms influences epigenetic development of offsprings. Thanks for clearing up my confusion on how miRNA works ("regulate[s] on the level of mRNA degradation"). I learn something new today thanks to you!