The chance mutations in a population without any particular beneficial effect change the genetic composition of a breeding population until it diverges from other populations is referred to as:

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This process is known as genetic drift, which refers to random fluctuations in the frequencies of alleles in a population that occur due to chance events, such as mutations. Over time, these chance mutations can accumulate and cause the genetic makeup of a population to diverge from other populations. Gene flow refers to the transfer of genes between populations, allopatric speciation involves the formation of new species due to geographic isolation, and geographic isolation is a form of reproductive isolation that occurs when physical barriers prevent breeding between populations. Disjunction is not a term commonly used in evolutionary biology.

The Chance Mutations in a Population Without Any Particular Beneficial