How do cells know what they will be when they grow up?

5 yr old Georgia asks how did the cells in her mum's tummy know to make her brain cells? A Nobel Laureate provides the answer!
03 August 2013
Presented by Hannah Critchlow

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5 yr old Georgia asks how did the cells in her mum's tummy know to make her brain cells? A Nobel Laureate provides the answer!

In this episode

How do stem cells know what to grow into?

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