It’s one thing to say our parents are bananas, another to say they are literally a banana. How can we reconcile these two truths? For that, we need to know what are genes, DNA, and what’s the difference?

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From what you learned in high school, you might remember genes and DNA as sort of the same thing. DNA is the blueprint of complex life. Every cell of ours contains the same DNA blueprint. This is why a small sample of a persons hair, skin, or blood can be used to identify a suspect at a crime scene. Unfolded, this DNA is 6 feet long and 30,000 times thinner than a strand of hair.

You might also remember that DNA contains 4 basic ‘letters’ — Adenine, Thymine, Guanine, Cytosine. These form ‘words’ that are 3 letters long and each word codes for a building block of a protein. These words form a ‘sentence’ called a gene, and each sentence codes for a protein. Proteins are essential for organisms and participate in virtually every process within cells. …


Skanda Vivek

Professor, Data scientist , Entrepreneur at the Cyber-Physical Interface — As seen in Forbes, BBC, ArsTechnica…

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