The accurate statements about epigenetics are the following:
- Epigenetics refers to various processes and reactions that, without modifying the sequence of deoxyribonucleic acid (DNA), change its activity.
- Epigenetic modifications are DNA methylation and histone modifications.
What is epigenetics?
Epigenetics refers to heritable changes in DNA and histones that do not involve alterations in the nucleotide sequence and modify the DNA structure.
Characteristics of epigenetics
- It is linked to the analysis of the factors that interact with genes, these are factors that are determined by the environment and not by heredity and that do not modify the DNA sequence.
- There are so-called epigenetic mechanisms, among which are DNA methylation, chromatin modifications or RNA interference.
Therefore, we can conclude that epigenetics refers to changes in the genome that do not involve changes in the DNA sequence.
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