Imagine you are studying two eukaryotic species. The genome of Species A is 100 Mb in size. The genome of Species B is 500 Mb in size. Based only on this information, which of the following statements are accurate? Species B is a more complex organism than Species A. None of the other statements can be made based solely on the information in the question. Species B has more genes than Species A. Species B has more chromosomes, more genes, and is more complex than Species A. Species B has more chromosomes than Species A.

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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.