Changes within a gene pool occurring from generation to generation is called microevolution. Allele frequencies in a population may change due to gene flow, genetic drift, natural selection and mutation. These are referred to as the four fundamental forces of evolution.
The Hollister, CA forecast for Apr 03 is 64 degrees and Sunny . There is 45 percentage chance of rain and 5 mph winds from the East-Southeast.
Sponsored Topics. Hollister is a city in and the county seat of San Benito County, California, United States. The population was 34,928 at the 2010 census. Hollister is primarily an agricultural town. The Mutsun Ohlone Indians were the first known inhabitants of the Hollister region.