Mitosis makes copies of the host, so it is a good option to increase the population because it is a fast process. Meiosis is important to create genetic diversity, because it makes four genetically different haploid cells, instead of two genetically identical diploid cells, as mitosis does.
The answer is <span>the number of DNA mutations in an organism is measured over time to determine how long it will take for a new species to evolve.</span>