Some scientists recognize another type of mutation, called a frameshift mutation, as a type of point mutation. Frameshift mutations can lead to drastic loss of function and occur through the addition or deletion of one or more DNA bases.
Normally printers are set at A4, but you can chose any size you want, as long as it does not go larger than A4, but use your printer's properties to find out more. Phil Walmsley Â· 8 years ago 1
Laser Printers. Normally laser printers are found in offices, however the cost for laser printers has become so reasonable that it is possible to own a professional quality laser printer in your own home. The average resolution of today's laser printer is 1200 x 1200 DPI. This resolution will give you very high quality document printouts. The majority of laser printers on the market today can print an average of 20 PPM (or more) in (black/monochrome).