Cell growth and the cell Cycle 3.0 / 5 based on 1 rating ? BiologyScottish Advanced HighersSQA Created by: NaomiCreated on: 11-04-13 13:57 Chromosomes are replicated during S-phase 1 of 6 What happens in Prophase The nucleolus disappears and chromatin starts to condense into discrete chromosomes 2 of 6 When is the second checkpoint? After DNA replication 3 of 6 When is the first checkpoint? End of G1 phase 4 of 6 Which genes does the body normally rely to stimulate cell division? Proliferation genes 5 of 6 Are tumour suppressor genes, recessive or dominant? Recessive 6 of 6
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