Genetics, DNA, and Chromosomes: Basic Concepts Genetics is the science that studies the nature, structure, and function of genes in living organisms. DNA and chromosomes are the central concepts of genetics. DNA is a type of substance that contains genes in living organisms. It is also known as deoxyribonucleic acid. DNA is shaped like a double helix, which consists of two parallel strands. The bases of these strands code for genes. Chromosomes...
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