Gene therapy is the introduction of genes into existing cells to prevent or cure a wide range of diseases. For example, suppose a brain tumor is forming by rapidly dividing cancer cells. The reason this tumor is forming is due to some defective or mutated gene.ene therapy is revolutionizing the world of medicine. Many physicians are predicting that in twenty years gene therapy may change the practice of medicine from a treatment-based to a prevention-based practice. Our future is l ocked away inside of our genes. Gene therapy is unlocking these doors.
Excel's INDEX function is a powerful function when you want to find a value in a specific row and column location inside a table of data. Our examples used numeric values to identify the row and column values that INDEX should work with.
The SUMIF function is a worksheet function that adds all numbers in a range of cells based on one criteria (for example, is equal to 2000). The SUMIF function is a built-in function in Excel that is categorized as a Math/Trig Function. It can be used as a worksheet function (WS) in Excel. As a worksheet function, the SUMIF function can be entered as part of a formula in a cell of a worksheet. To add numbers in a range based on multiple criteria, try the SUMIFS function. If you want to follow along with this tutorial, download the example spreadsheet.