Oct 12, 2026 · 26 min · 11 segments
Imagine looking at a map of a city you thought you knew inside-out, only to discover a collection of tightly knit neighbourhoods that nobody had ever realised existed... Edith Heard has achieved…
Edith HeardGuest
Jim Al-KhaliliHost
Can you just give us a quick reminder of what we're going to be talking about and also where epigenetics comes in?

Where do our characteristics come from? Discovery that actually chromosomes transmit this information and that chromosomes are made up in part of DNA.

Epigenetics is something that has ranged from understanding what the impact of the environment is on our genes and our bodies right through to understanding how specific genes can be switched on or off and then kept off throughout life.

Can you just give us a quick reminder of what we're going to be talking about and also where epigenetics comes in?

Where do our characteristics come from? Discovery that actually chromosomes transmit this information and that chromosomes are made up in part of DNA.

Epigenetics is something that has ranged from understanding what the impact of the environment is on our genes and our bodies right through to understanding how specific genes can be switched on or off and then kept off throughout life.
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