Advised Me Just Don't Do Dna Without
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This storyName all 4 chemical bases found in human DNA!
Guess, then reveal the answer
Adenine,Thymine,Guanine,Cytosine
Your DNA is 98.7% identical to a chimpanzee's!
That 1.3% difference accounts for every gap between humans and chimps. Even more striking: the DNA packed into just one of your ~37 trillion cells would stretch 6 feet long if fully uncoiled.
Familial DNA solved the Golden State Killer case after 40+ years!
Joseph DeAngelo was identified in 2018 via genealogy DNA databases and pleaded guilty to 13 murders in 2020 — showing familial DNA matches can lead to convictions decades after a crime.
Topic poll · all networksThe first mass DNA dragnet collected samples from how many men?
- Over 500 men
- Over 5,000 men
- Over 50,000 men
- Over 500,000 men
Guess, then reveal the answer
Over 5,000 men
Topic poll · all networksIs mass DNA collection from 130+ people justified to solve one murder?
DNA sequencing costs dropped 99.9% since 2001, fueling cold case breakthroughs.
Sequencing a genome cost ~$100M in 2001; by 2023, under $200. That collapse lets investigators retest old biological evidence — like trace DNA from crime scenes — with far greater precision.