Epigenetics, or the regulation of chromatin coiling, is important in explaining which phenomenon?
Choose 1 or more answers.
How gene expression changes over time depending on the environment to which the organism is exposed (i.e. stress, exercise amount, eating habits).
How one X chromosome is inactivated and forms a Barr body in cells with two X chromosomes present. (X inactivation)
The differences between identical twins, even though they have the same DNA
The development of single gene genetic disorders like cystic fibrosis and sickle cell anemia