Evidence supporting the genetic programming theories of aging comes from research showing that when human cells are permitted to divide in the laboratory, they can do so successfully only around times.

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim