If DNA is identical in all cells of a living organism, what makes some cells become specialized?

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I understand that my DNA is what defines me, what makes me me.
However, why do some cells become skin cells, others become hair cells, others gut?

In: Biology

2 Answers

Anonymous 0 Comments

Imagine having a recipe book but each specialized cell only uses one recipe. To get what you need done you only do a hand full of recipes but you have them all in a book

Certain cells turn off parts of the dna or activate others. The information to everything is in every cell but not every cell uses everything.

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