Why identical twins are not carbon copies of one another
In short: If DNA is the blueprint of life, epigenetics is the set of instructions determining how to read it. This video explores why two people with the exact same genetic code can develop into vastly different individuals.
The core mystery lies in the divergence of identical twins. While they share an identical DNA sequence, their physical and behavioral traits often differ significantly. The explanation involves epigenetics—the study of how external factors and internal processes influence gene expression without altering the underlying genetic code.
By examining the interplay between nature and nurture, the video illustrates that our environment can act as a switch, turning certain genes on or off. This mechanism explains why shared genetics do not guarantee identical outcomes in human development.
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Sources
- Summary by Intellect · source: What is epigenetics? - Carlos Guerrero-Bosagna
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