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Tems11 [23]
3 years ago
15

As a fertilized egg divides, the cells differentiate because they

Biology
2 answers:
alexira [117]3 years ago
8 0
Certain genes/cells are activated/turned on (how ever you want to word it)
KengaRu [80]3 years ago
6 0
They are twins. Did the embryo split too?
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