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a book of clues and tips
Size: 24cm with hanging loop
in pursuit of a medical career
distinctive jewelry that resonates with your personal style
this beautiful jewellery human heart range is inspired by our anatomical collection
DNA a book of clues andCuddly DNA soft toy. FACTS: Deoxyribonucleic acid, or DNA, is the amazing molecular double helix that contains the genetic codes for all known life. The human genome contains about 3 billion letters (bases), or a billion words (codons). These words, collected in 23 chromosomes, describe the more than 20,000 genes that are the substance of our bodies. Some genes take a few hundred words to describe, some take hundreds of thousands. 99% of the DNA in
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