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Asked by to Catherine on 13 Mar 2014. This question was also asked by .
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Catherine Mansfield answered on 13 Mar 2014:
We could not exist without DNA. It is like a blueprint that tells our cells what to do. When developing from an embryo our DNA tells each cell what it should become – a heart, a finger, a skin cell etc…
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Comments
sextona10611 commented on :
5Thanks for answering my question 🙂
Catherine commented on :
You’re welcome 🙂