Home Â» Mutant. Definition. noun, plural: mutants. (1) An organism, gene, or chromosome that is different from the wild type by one or more (new) characteristics as caused by mutation(s). (2) An organism or gene that is undergoing or resulting from mutation. (3) An organism with a new or different characteristic from the due to a mutation in its gene or chromosome.
Population in families living in San Francisco ; Total Population: 470,380; Population Under 18 years: 103,678; Population 18 years and over: 366,702
San Francisco averages just two days a year when the temperature reaches 90 degrees Fahrenheit, and none over 100. No matter how warm the day, at night the temperature always cools to less than 70 degrees. The city's hottest days usually occur in September and October.