3min chapter

Then & Now: Philosophy, History & Politics cover image

How The Nature Nurture Debate Is Changing

Then & Now: Philosophy, History & Politics

CHAPTER

The Evolution of Identical Twins

Identical twins have and come from the same box. If they've been raised apart to all their lives but display identical traits then it must be in the DNA, regardless of the environment. A recent study found that young identical twins have similar epigenetic markings but as they get older they diverge. Intelligence is also found to be increasingly heritable as twins get older.

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