Biology, 02.08.2019 22:30 200002977

Which of the following is not true about mutations? a) mutations are chance changes in the dna sequence of bases and may code for a different amino acid b) mutations may cause variations that are adaptations c) radiation and x-rays may cause mutations d) mutations are always harmful

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Which of the following is not true about mutations? a) mutations are chance changes in the dna sequ...