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Think The Genes You'll Pass On Are Predetermined? Not Quite…Here's What We Know

We all have a unique genetic code that gets passed down to the next generation.

Our genetic sequence affects everything from eye color to body shape to intelligence in our children. Because there are only so many combinations of traits with a partner, there are some genes we can be sure we’ll pass on, and some that we can hope wind up as part of our offspring’s DNA.

The study of epigenetics, however, aims to understand the inherited traits that can’t quite be explained by simple DNA sequencing, and it’s completely fascinating.

One common example of epigenetic research focuses on the grandchildren of Holocaust survivors. Descendants of Holocaust survivors have different levels of stress hormones, and it may make them prone to anxiety disorders. This suggests intergenerational trauma can be passed down and affect people…

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