2.) One experimental tool used in the biological research and in clinical settings is called Fluorescent Activated Cell Sorting (FACS) or cell cytometry. For example, a cell membrane permeable (or nonpolar) chemical called Hoescht 33342 dye will specifically label DNA. Interpret the graph (Figure 17-4) that illustrates normal cells that have been labeled with Hoescht 33342 dye. and assign which phase(s) of the cell cycle (G1, S, G2, or M) corresponds to the fluorescence intensity. Justify your answers. relative fluorescence per cell Figure 17-4 Analysis of Hoechst 33342 fluorescence in a population of cells sorted in a flow cytometer (Problem 17-15). number of cells

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Genomic studies

Genomic studies (genomics) is the study of the whole genome of an organism. Using bioinformatics and high-performance computing, genomic researchers examined massive amounts of deoxyribonucleic acid (DNA)-sequence data to discover variations or mutations that affect drug response, health, or disease. Genomics is a much younger discipline than genetics, having only emerged in the last few decades as a result of technological advancements in DNA sequencing and computational biology.