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
β¦ LIBER β¦
Problems and paradigns. Evolution of mitochondrial genomes and the genetic code
β Scribed by C. G. Kurland
- Publisher
- John Wiley and Sons
- Year
- 1992
- Tongue
- English
- Weight
- 792 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0265-9247
No coin nor oath required. For personal study only.
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Two ideas have essentially been used to explain the origin of the genetic code: Crick's frozen accident and Woese's amino acid-codon specific chemical interaction. Whatever the origin and codon-amino acid correlation, it is difficult to imagine the sudden appearance of the genetic code in its presen