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Thread: Appearance vs DNA unknown

  1. #1 Appearance vs DNA unknown 
    Forum Sophomore Estheria Quintessimo's Avatar
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    I have just watched the documentary 'Sex in the Stoneage' that talked about the Denisovan. According to wiki the Denisova Hominin as a subspecies of Homo Sapiens, attached to the branch of the Neaderthals, Homo sapiens neanderthalensis.
    Now the question asked in the documentary is if the Denisovans interbred with modern humans,... this is not what my question will be about.

    I have watched many documentaries over the years. One thing they like to do is make a sculpture by either CGI or artist impression, showing what the species would look like.

    If you look in modern day forensics, they often can figure out alot from the DNA, which helps them determing a potential criminal. And you can learn alot from DNA, color hair, eyes, potential family diseases,... such things. Most dominant what generic background a person will have, etcetera.

    But in all, it still seems to be impossible to generate a picture of what the creature, the DNA belongs too, actually looks like.

    Only in SciFi movies, are they able to do this:

    'Ow, alien DNA! Lets see what it looks like. [puts sample in computer and pops up picture]'

    So that is basically my question.

    What technology would still need to be developed to be able to do that?
    And what do we still need to figure out about DNA to be able to do that?


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  3. #2  
    Forum Sophomore Hymenophyllum's Avatar
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    Some animals have to have easyli detected DNA which is different from ours or other species


    He is numb from his toes down
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    Duh!
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  5. #4  
    Forum Sophomore Estheria Quintessimo's Avatar
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    You two guys obviously did not bother reading my actual questions.

    Let me clearify.

    What tech and knowledge would we still need,... if we want to be able to project a computer generated physical appearance, pure and simply based on DNA?

    What tech would we still need to develop?
    What would we still need to know about DNA, that we do not know yet?

    It is a genuine question. Besides that such tech may help out any science that deals with ancient DNA,... it can help out in many other fields too. Like crime-fighting.
    Inmagine rape victims and left behind DNA,... such tech may provide a better image of the criminal involved, then any scetch artist would be able to.
    Last edited by Estheria Quintessimo; October 12th, 2013 at 04:23 PM.
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    dna is a dicovery that is apsolutely cool.it contains a complete record from all lifeforms on the planet.the complete history of life forms.the trouble is that it is hard to read.given a microscope a cell and looking at the neucleus,how could you read the dna.somewhere near 30,000 individual pieces of information have to be extracted.think it took all scientists in the field 3 years for people dna.if you were exploring a new planet and wanted information about life forms there ,how would you read the dna.
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    Moderator Moderator Cogito Ergo Sum's Avatar
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    Quote Originally Posted by sapien View Post
    dna is a dicovery that is apsolutely cool.it contains a complete record from all lifeforms on the planet.the complete history of life forms.the trouble is that it is hard to read.given a microscope a cell and looking at the neucleus,how could you read the dna.somewhere near 30,000 individual pieces of information have to be extracted.think it took all scientists in the field 3 years for people dna.if you were exploring a new planet and wanted information about life forms there ,how would you read the dna.

    We have a wide variety of methods in order to sequence DNA, ranging from simple Sanger sequencing to pyrosequencing and the Ion Torrent.
    Reading DNA is definitely not a problem, nor is extracting it from a cell (although precautions have to be taken).
    "The only safe rule is to dispute only with those of your acquaintance of whom you know that they possess sufficient intelligence and self-respect not to advance absurdities; to appeal to reason and not to authority, and to listen to reason and yield to it; and, finally, to be willing to accept reason even from an opponent, and to be just enough to bear being proved to be in the wrong."

    ~ Arthur Schopenhauer, The Art of Being Right: 38 Ways to Win an Argument (1831), Stratagem XXXVIII.
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    I've heard that you could extract plant dna using dish washing detergent and then alcohol,except the dna wouldn't be live and it would be in separated strands.
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    Universal Mind John Galt's Avatar
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    And the questions remain:


    What tech and knowledge would we still need,... if we want to be able to project a computer generated physical appearance, pure and simply based on DNA?
    What tech would we still need to develop?
    What would we still need to know about DNA, that we do not know yet?
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  10. #9  
    Brassica oleracea Strange's Avatar
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    I guess we would need major advances in genomics, glycomics, immunomics, nutrigenomics, metabolomics, metabonomics, metagenomics, environmental metabolomics, proteomics, structural genomics, functional genomics, systems biology, toxicogenomics, chemogenomics, epigenomics, computational chemistry, and probably many other areas.

    And then several centuries of advances in computer technology (assuming it continues doubling performance every 12 to 18 months) in order to simulate what happens in less time than the organism takes to grow.
    Without wishing to overstate my case, everything in the observable universe definitely has its origins in Northamptonshire -- Alan Moore
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