Because of its specific location, a gene can also be called a genetic locus. A gene is comprised of a specific DNA sequence and is located on a specific region of a specific chromosome. A gene is a hereditary factor that determines (or influences) a particular trait.An organism’s genome is the complete set of genes or genetic material for that species.DNA is organized into one or more chromosomes, which are linear or circular structures comprised of DNA and associated proteins.DNA is composed of nucleotide bases, commonly abbreviated as A, T, C, and G. All living things have DNA as their genetic material.These basic genetic concepts are good to review to make sure we’re all on the same page: But we have the advantage today of being able to discuss evolution with knowledge of genetics, so we’ll start with a brief primer on genetics. Differentiate between directional, stabilizing, disruptive, and balancing selectionĬharles Darwin and Alfred Russel Wallace articulated the theory of evolution by natural selection without a modern understanding of genetics.Identify, explain, and recognize the consequences of evolution by natural selection in terms of fitness, adaptation, average phenotype, and genetic diversity.
Explain predictions of and evidence for evolution by natural selection.Define and recognize fitness, adaptation, and evolution by natural selection.
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