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Biology 20 Online
OpenStudy (anonymous):

skin and nerve cells have differant appearances and characteristics from each other, although they contain the same dna why?

OpenStudy (lena772):

Are there choices for this question?

OpenStudy (abb0t):

cell differentiation.

OpenStudy (abb0t):

You can look up the definition of that term for a further explanation that is probably better than one I can give.

OpenStudy (anonymous):

The DNA in all cells is the same. The cells will specialise as a certain typ and this turns off certain genes which are not relevant to the function of that particular cell and expresses others which tell the cell how to grow and what chemicals to produce

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