Genetic memory

Genetic memory is a scientific concept used in biology to describe biological responses to environmental stimuli within a single organism. Biologists have attributed many behaviors to genetic memory, such as immunity to diseases or environmental conditions, or instinctive behaviors in animals.

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Unfortunately, some psychologists and woomeisters have jumped on the concept to describe it as something else.

Woo

Psychologists such as Carl Jung have suggested using the concept of genetic memory to explain language and other shared environmental factors between generations—that is, that any meme such as religious or racist tendencies is passed on biologically from parents to children, rather than a learned behavior picked up by offspring after birth.[1]

Others have suggested that actual memories from an ancestor's experiences are stored in their DNA and passed onto their descendants as some sort of "hidden code". It is suggested that this hidden code is stored in the genetic "waste" that makes up a large portion of human DNA, and with the right type of magical thinking or brain scanning technology[2] we can tap into those memories as a form of past life regression therapy. If this were possible, given the size and complexity of the tree of life, one might wonder just how many different ancestors' memories would we be able to process without suffering from some sort of personality disorder—or, since any given offspring would only contain the memories of their progenitors (both of them) up until the point they were conceived, how much those memories would actually be useful.

Where the woomeisters get the concept of genetic memory wrong is in the misunderstanding that it only happens in organisms and is not passed down from one generation to the next—that is, the incidents and accidents of one person's life do not get stored in the DNA of gamete cells to be passed on to the progeny.[3][4] Immunology is a perfect example: one person's antibodies will remember what diseases it has received or been inoculated against. If genetic memory worked the way the woomeisters wanted it to, then children would never (or rarely) succumb to chicken pox or need vaccinations.

Science fiction

The concept of genetic memory has been used quite a bit in science fiction works, such as Ridley Scott's Alien series, Frank Herbert's Dune series and the Assassin's Creed video game series.[5] The reverse idea, that modifying memories can alter a person's genes and/or physiology, is seen in works such as the movies Dark City and The Matrix.

Cloning

The concept of genetic memory often features in fiction that assumes that cloning produces an identical copy of the source, down to memories and personality (instead of a twin with an age difference in years instead of minutes). This would require genetic memory or otherwise transferring a mind through some sort of brain mapping device, as seen in the movie The Sixth Day. The misconception that creating a clone duplicates the individual's experiences is a strawman argument against cloning among the uneducated ("If there are two 'me's' running around, how can I prove I'm the 'real me'?"), which may suggest that genetic memory as a valid concept is one that is accepted among those individuals.

Epigenetic heritance

A recent study has suggested that a form of genetic memory might actually be possible, as scientists were able to elicit a physiological response to a stimulus in lab rats who had no prior negative exposure to the stimulus, but their predecessors had. This, however, appears to be an alteration in the expression of genes rather than an actual change in genetic code. Further experimentation will be required to confirm this, as no biological explanation was determined through the study.[6]

see also
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gollark: Greetings, "le bunker de corona" members. I am gollark, otherwise known as osmarks, a human. As someone who is totally a human, I exist, and do human things such as (not limited to): consuming food; consuming water; sleeping; not sleeping; sitting in chairs; motion; social interaction; thought.I enjoy things such as authorship of highly accursed code in a wide range of programming languages, computational gaming, reading scifi/fantasy, and sometimes (when I am not horribly distracted) reading about various maths topics.If you are reading this, it is already too late.Feel free to DM me iff Riemann hypothesis!I have harvested some insightful quotes:“You know what they say, speak softly but carry a tungsten slug accelerated to a measurable fraction of C.” “I mean, we could use it to destroy the Universe, but we'd have to add a lot of antimatter. Which pretty much goes for all other matter.”“The laws of Australia prevail in Australia, I can assure you of that. The laws of mathematics are very commendable, but the only law that applies in Australia is the law of Australia.”"World domination is such an ugly phrase. I prefer to call it world optimisation."“The Earth is built to last. It is a 4,550,000,000-year-old, 5,973,600,000,000,000,000,000-tonne ball of iron. It has taken more devastating asteroid hits in its lifetime than you've had hot dinners, and lo, it still orbits merrily. So my first piece of advice to you, dear would-be Earth-destroyer, is: do NOT think this will be easy.”“Eventually all the people who hate this kind of thing are going to be dead, and the ones who use it are going to be in control.” - a linguist“All problems in computer science can be solved by another level of indirection.” “Ignorance of insecurity does not get you security.” “I don't always believe in things, but when I do, I believe in them alphabetically.” “If you're trying to stop me, I outnumber you 1 to 6.”
gollark: Does it? I thought you only needed to look after and before a bit up to a digit which would require carrying. Or something like that.
gollark: No, but you can use accursed streaming base conversion algorithms™ probably.
gollark: I had a paper on generating digits of things like that using a generalized base conversion algorithm on infinite lazy streams, 'twas very weird.

References
  1. https://www.psychologytoday.com/us/blog/the-superhuman-mind/201302/remembering-things-you-were-born
  2. Which doesn't exist, yet.
  3. Unless those genes are changed as a result of mutation—however, the resulting change is a symptom of that incident, not an explanation of the incident.
  4. And even if it did, it would only occur in sperm cells, which are constantly being generated by males, and never in a female's ova which are present at birth.
  5. Genetic Memory on TV Tropes
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