DNA is found inside every cell in our body (apart from red blood cells).
Humans have roughly 100,000,000,000,000 (100 trillion cells).
If you unravelled all of your DNA from all of your cells and laid out the DNA end to
end, the strand would stretch from the Earth to the Sun hundreds of times
DNA is tightly coiled up and structured into 46 chromosomes.
DNA is made up of 4 building blocks The four letters in the DNA alphabet A, C, G and T are used to carry the instructions for making all organisms
it was Rosalind Franklin’s discovery of the chemical structure of DNA that led to Crick and Watson’s double helix model.
DNA (deoxyribonucleic acid) was first isolated by the Swiss physician Friedrich Miescher in 1869.
Any two people share about 99.9 per cent of their DNA. It’s the other 0.1 per cent that makes us different from each other.
A fast typist, working eight hours a day, would take 50 years to type out the human genome.
Biological information is replicated as the two strands are separated. A significant portion of DNA (more than 98% for humans) is non-coding, meaning that these sections do not serve a function of encoding proteins.
The two strands of DNA run in opposite directions to each other and are therefore anti-parallel, one backbone being 3′ (three prime) and the other 5′ (five prime). This refers to the direction the 3rd and 5th carbon on the sugar molecule is facing.
Within cells, DNA is organized into long structures called chromosomes.
Scientists use DNA as a molecular tool to explore physical laws and theories
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