Transmission of a regulatory state beyond the initiating event without requiring a change to the underlying DNA sequence. Persistence over time must be distinguished from continued exposure to the original inducing signal.
Transmission of an epigenetic effect beyond directly exposed generations, after excluding alternative explanations such as sequence change and parental provisioning.
A regulatory state associated with chromatin, DNA modification or a self-maintaining regulatory process. Persistence through cell divisions and transmission through sexual reproduction are distinct properties.
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