the building block of DNA and RNA; consists of a base (adenine, thymine, guanine, cytosine, or uracil), sugar molecule, and phosphoric acid molecule.
Your DNA is unique, and it makes you a human, not any other animal. Sequencing DNA lets us identify genetic similarities and differences that relate to species similarities and differences.
Life is complex and diverse but comes down to four little letters. The central code that makes all life on earth possible is found in a tiny molecule known as DNA.
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