It initially created many more jobs, by enhancing worker productivity through the use of technology (from an electric drill, to a calculator). As technology progressed the tools became more powerful, and it then became more efficient to use more capital and less labour in these industries.
CH 9 1. When a DNA molecule doubles, a chromosome is then made up of two joined _______. Answer: chromatids 2. Prokaryotic DNA molecules are packaged by _______ proteins, which associate with DNA. Answer: basic 3. In general, the division of the cell, called _______, follows immediately upon mitosis.
In meiosis there is halving of the chromosome number from 2n to n (n=23), this halved chromosome number (23) is present in the gametes. So whenever the two gametes fuse the chromosome numbers in the two will be added up in the zygote formed to produce the normal 2n (46) number of chromosomes of a somatic cell.