Chromosome mutation II

Change in Number One of the major type o chromosome mutation is change in chromosome number. There are two types of numerical changes  (1) Euploidy and (2)Aneuploidy 1. Euploidy: …

Attenuation

Like regulation by the trp repressor, attenuation is a mechanism for reducing expression of the trp operon when levels of tryptophan are high. However, rather than blocking initiation of transcription, attenuation prevents completion of transcription. When levels …