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poizon [28]
3 years ago
12

How do some cells become brain cells and other become skin cells, when the dna in all exactly the same. in other words, if the i

nstructions are exactly the same, how does one cell be cell and another a skin cell?
Biology
1 answer:
Alex17521 [72]3 years ago
5 0
Only some genes are used and active. The genes that are active in each cell is to do that specific job.
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