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Origin and evolution of the adaptive immune system: genetic events and selective pressures

✍ Scribed by Flajnik, Martin F.; Kasahara, Masanori

Book ID
109953115
Publisher
Nature Publishing Group
Year
2009
Tongue
English
Weight
610 KB
Volume
11
Category
Article
ISSN
1471-0056

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We argue that a primitive genetic code with only 20 separate words explains that there are 20 coded amino acids in modern life. The existence of 64 words on the modern genetic code requires modern life to read almost exclusively one strand of DNA in one direction. In our primitive code, both the ori