Some radioactive iodide salts of sodium, including [ 125I ]NaI and [ 131I ]NaI, have radiopharmaceutical uses, such as in the treatment of thyroid cancer and hyperthyroidism or as radiolabeling tracers in imaging (see).
Genetic drift is defined as the changing of the number of available alleles in a population by chance events. Also called allelic drift, this phenomenon is usually due to a very small gene pool or population size.
A random sampling process in which every kth (e.g. every 5th element) or member of the population is selected for the sample after a random start is determined. A random sampling process in which every kth (e.g. every 5th element) or member of the population is selected for the sample after a random start is determined.