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March 21, 2012 “Why people want to know new things?” (Part 1) [脳の仕組み]

March 21, 2012 “Why people want to know new things?” (Part 1)

Let’s think of the biological evolution. Let’s think of why the livings were able to survive, instead of how they evolved. They have been surviving because they have luckily been satisfying the survival conditions. Nowadays, all the livings on the earth are eukaryotes. Their origins were unicellular transformable organisms like amoeba or slime mold, and the modern livings are still succeeding their original characteristics. Any question? Yes, please!
Q1. How are they succeeding?
A1. The information is written on the DNA sequences.
Q2. Where is it written?
A2. It is written over the whole DNA sequences even on the parts called intron that are never junk. Some old textbooks say more than 70% of the DNA is useless junk but they are wrong. Besides, the concept of the gene is wrong! The crucial key is the intron.
Q3. Why do the chimps have the 24 pairs of chromosomes one pair more than the humans?
A3. It’s because the humans had dropped the one pair that caused losing the tail and the synthesizing ability of the vitamin C together. Instead, they obtained the higher power of running. Since they had neither strong nails nor strong fangs anyway, their fate might have been exterminated by being eaten by the many predators. But they could run fast on the two legs. It was the ability to be acquired if they utilize the cerebellar neural network by learning it and training themselves.
The first ES cell completed in the fertilized egg divides in to two cells. It is the self copying process. The total number of cells would reach the order of billion if they repeat this process about 30 times.
Q4. Why can they possibly make perfect self-copy with no errors?
A4. It is because the self-copy is performed according to the precisely programmed process. And the program code is written on the DNA by four characters of A, T, G, and C as a cryptogram. The problem is whether this cryptogram can be deciphered or not. That is why any researcher who is involved with the DNA becomes inclined to decipher it. The big projects such as the National Genome Project are almost completing the reading of whole DNA codes of various organisms.
Many bio-technologists are examining the changes and effects by rearranging the so-called genes that are the parts of DNA. However, the whole aspect is not known yet. There is no clue at all when and how a switch is turned on. Then, mathematics comes up on the stage.
Three young researchers of the graduate school of mathematics of Nagoya University were awarded a prize by some apparel maker for the beautiful Buddhism patterns made from colored DNA. They tried to obtain some hint from the visual patterns if possible, for they knew the famous four color separation problem of any map.
However, they obtained no clue from the colored patterns. Now only the short sequence called codon is distinguished as a symbol of separation function. At a sudden, however, the DNA mystery was solved. Though the author had not deciphered the DNA cryptogram yet, why can he insist he had solved the mystery and the DNA mechanism?
There is a famous proverb that if you want to obtain the top general, you must target his horse first. The author had first made a new inferring method consisting of repeating algorithm of inferring and finding some clues by setting some half boiled assumption. As he narrowed the encircling net, eventually he reached the astonishing conclusive idea. Is it really? Is it true? He had to doubt it and ask himself.
Despite of the hard works for many years, the conclusion was surprisingly too simple against the fact the contents of the brain are too complex. That is the two-facedness again!
(To be continued.)

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