How much information can be contained in a DNA molecule and how much long-term memory for all DNA in neurons can be recorded?

How much information can be contained in a DNA molecule and how much long-term memory for all DNA in neurons can be recorded?

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answers (4)

Answer 1
June, 2021

In the brain, memory is stored not on the basis of a record in DNA, but on the basis of the formation of chains of connections of various neutrons - the formation and strengthening of synapses - the transition from the axon of one neuron to the "branches" to the dendritic tree of other neurons. An element of memory, for example, that a picture of an elephant is called an elephant - these are chains connecting a microregion of the brain in the high-level visual cortex, which has learned to recognize pictures depicting an elephant with a microregion in the verbal cortex reserved for the word "elephant". This is all - both the micro-area of ​​the picture of an elephant and the micro-area of ​​the word "elephant" are not one neuron and are connected with other, somehow connected areas .. for example, the "elephant" of the speech area may have connections with the micro-area of ​​the word "pink" - as a memory of frequent use these words together.

Answer 2
June, 2021

I will add that human chromosomes contain slightly less than 3,080 million base pairs, each of which can consist of either adenine with thymine or guanine with cytosine. Those. the total amount of information in human DNA is about 3 gigabits.

Answer 3
June, 2021

I'll throw you a video on this topic, just watched it today :) Very interesting :)

https://www.youtube.com/watch?v=qxAPUlfoZmc

128 / 140 characters ...

Answer 4
June, 2021

Memory is not recorded in DNA!

A DNA molecule contains a genetic code - information on how to synthesize various proteins. In all human somatic cells there are 46 chromosomes, and in all chromosomes the DNA is the same (we do not take into account mutations and chromosomal diseases). Cells specialize, and depending on this, chromosomes work with the genes that this cell needs.

The mechanisms of memory formation in the brain work differently. I would be glad if someone answers about this, most interesting.

P.S. I think this question has arisen after reading the articles on the artificial recording of information on DNA molecules. Interesting technology. But the body does not use it as a receptacle for memory - again, DNA contains information about all the proteins of which we are made.

To do this, they used Goldman and XOR coding

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