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Evolution

Question
CBSEENBI12002905

The appearance of antibiotic-resistant bacteria is an example of

  • adaptive radiation

  • transduction

  • Pre-existing variation

  • divergent evolution in the population

Solution

C.

Pre-existing variation

Post-mitotic gap phase is characterised by all except the synthesis of histone proteins. Histone proteins are synthesised in S-phase. S-phase is called invisible phase of the cell cycle as replicated chromosomes are not visible at this stage.