-nomists recognize subspecies, they are identifying: tions with restricted enough gene flow to develop some population-specific traits, but that can still in members of other such populations. of the other answer options is correct. tions that are reproductively isolated from one another. tions with extremely restricted gene flow due to allopatric isolation. tions that will inevitably become separate species as reproductive isolation is nearly complete.

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Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.