Gene Expression Profiling
Living reference work entry
The measurement of the expression levels of the genes present at a particular time point in the cell.
In 1953, Watson and Crick proposed the structure of the DNA – the blueprint of the cell (Watson and Crick 1953). DNA is made up of two sugar-phosphate strands which run antiparallel to each other, paired up with each other through hydrogen bonding between the four nitrogenous bases which protrude from each strand (Fig. 1). DNA sequence contains functional regions called as genes, which confer phenotypic traits to an organism.
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