Ka/Ks values for each node in the tree Node# Ka/Ks Branch1 Ka Branch1 Ks Branch1 Ka/Ks Branch2 Ka Branch2 Ks Branch2 1 137.1389 0.1371 1е-10 64.5078 0.06450782 1е-10 2 1.1327 0.1315 0.1161 2.0655 0.1122 0.05431489 Ka/Ks annotated evolutionary tree JF313899.1 [2] .137 000 JF313900 [1] JF313882.1 (3]

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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.