DNA Day

DNA Day Quick Facts

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2025 Date	April 25, 2025
2026 Date	April 25, 2026

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Friday, Apr 25

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DNA Day History

DNA Day seeks to commemorate the discovery of DNA’s double helix in 1953. DNA is a molecule that contains the genetic instructions required for development, growth, and reproduction of living beings. This day also commemorates the success of the Human Genome Project in 2003. This international research project aimed to determine the base pairs that make up human DNA. This day offers more knowledge about genetics. It also offers the opportunity to learn more about genomic research.

DNA Day was established in 2003 by the United States Senate and House of Representatives. It has been observed annually on April 25th by the National Human Genome Research Institute.

Facts about DNA Day

DNA was discovered in 1869 by Swiss scientist Friedrich Miescher. While researching white blood cells, Miescher was able to uncover the molecular make-up of nuclein, or DNA. He learned that it was made up of hydrogen, oxygen, nitrogen, and phosphorus.
According to National Geographic, in 2022, scientist discovered and analyzed the oldest known DNA from the northern tip of Greenland. The DNA was said to be 2 million years old and gave insight on how Greenland used to be.
Humans share 99.9% of their DNA with every other human.
Chimpanzees and bonobos are the most genetically similar primates to humans. They share 98.7% of their DNA with us.
Mushrooms are more closely related to humans than plants

In the News and Trending for DNA Day

Updated 10:33International DNA Day launch for Hong Kong’s

eurekalert.org

A National DNA Day Limerick

wordpress.com

A Celebration of DNA Day

familytreedna.com

New DNA statue to be unveiled at NIH on National DNA Day

genome.gov

Top things to do for DNA Day

Explore a list of idea for activities to celebrate DNA Day.
Discover upcoming events near you. The National Human Genome Research Institute hosts events across the US and the world.
Explore a list of DNA Day activities. The National Human Genome Research Institute offers essay contests, DNA experiments, and resources to learn more about DNA.

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