Your entire genome is about 6.4 billion basepairs long. If 41% of the human genome is either guanines or cytosines (know as the "GC" content), how many total adenines are in your genome? Keep in mind that the 6.4 billion basepairs refers to the length of the genome, but that DNA is double stranded.

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Genome annotation

The technique of linking biological information to genome sequences is termed genome annotation. Gene annotation is the method of identifying gene locations and coding sections. It helps us understand what these genes are doing in the body through establishing structural characteristics and linking them to the actions of various proteins.