Detailed text transcripts for TV channel - DW - 20180415:15:56:00
Mutations. these small scale changes have made possible the great diversity of life as we know it today as mechanics more recently. the mechanisms of d.n.a. replication are not perfect. an air of the sort that i mean it's used enough in the six there are also external factors that can modify the game molecules. these include toxic chemicals or radiation went from i want. to show a lot of your field. all living beings are exposed to natural sources of radiation rocks and minerals contain traces of potassium uranium story i'm and other radioactive elements long and so far no scientific study has...
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