Image Credit: sokolova_sv/ History of GeneticsĪncient peoples from around the world recognized that a child inherited their appearance and propensity for certain personality traits from their parents, though could not demonstrate the mechanism without modern knowledge of atoms, molecules, and biochemistry. Genes are passed to offspring in both sexual and asexual reproduction, and over time natural selection can accumulate variations amongst individuals on the group level, in the process known as evolution. Genetics is the branch of biology concerned with the study of the DNA of organisms, how their DNA manifests as genes, and how those genes are inherited by offspring.
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