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genomics:<br/> an interdisciplinary field of&nbsp;[https://en.wikipedia.org/wiki/Biology biology]&nbsp;focusing on the structure, function, evolution, mapping, and editing of&nbsp;[https://en.wikipedia.org/wiki/Genome genomes].<br/> genomes:<br/> an organism's complete set of&nbsp;[https://en.wikipedia.org/wiki/DNA DNA], including all of its genes as well as its hierarchical, three-dimensional structural configuration.<br/> <br/> DNA:<br/> -self replicable<br/> -two complementary strands(double helix)<br/> -sugar-phosphate backbone<br/> -4 types of nucleotide: A, T, C, G<br/> -complementary base-pairing: A-T, C-G<br/> -genetic information of living things<br/> <br/> Chromosomes:<br/> -human has 46 chromosomes<br/> -long threads of DNA(and protein)<br/> -carry genetic information of cell<br/> -information determines what proteins are made<br/> -made up of many gens<br/> <br/> genes: genes are segments of chromosomes that contain the code<br/> required to direct the manufacture of a polypeptide or RNA molecule<br/> <br/> ref: [https://www.youtube.com/watch?v=z8ojaHrxQR0 https://www.youtube.com/watch?v=z8ojaHrxQR0]