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|    talk.origins    |    Evolution versus creationism (sometimes    |    142,579 messages    |
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|    Message 142,071 of 142,579    |
|    MarkE to John Harshman    |
|    Re: Chimp to human evolution - Sandwalk     |
|    28 Dec 25 23:47:41    |
      From: me22over7@gmail.com              On 28/12/2025 1:22 am, John Harshman wrote:       > On 12/27/25 3:27 AM, MarkE wrote:       >> On 24/12/2025 7:27 am, John Harshman wrote:       >>> On 12/22/25 11:16 PM, MarkE wrote:       >>>> This is a rejection of gene-centric causal supremacy, and an       >>>> argument for multi-level, bidirectional causation and information       >>>> sourcing. The cell (zygote in the first instance) in its entirety       >>>> e.g. proteins, RNA, sugars etc and their structural arrangement       >>>> (cytoplasm, organelles, membrane etc) and interactions regulate and       >>>> control gene expression. The distribution of these in the cell       >>>> represent essential "analogue" information. That's where I think the       >>>> unaccounted information is to be found.       >>>       >>> That doesn't work. For one thing, almost all the information about       >>> different sorts of cells doesn't reach the germ line, other than       >>> through the genome that gives rise to those sorts. The ovum does       >>> contain certain maternal proteins and transcripts that help to get       >>> development going, but those are specified by the maternal genome,       >>> and the rest of the zygote's cellular contents are quickly recycles       >>> using transcription and translation from the zygote's genome. Whether       >>> a zygote turns into a chimp or a human is determined by the contents       >>> of its genome, not all that other stuff.       >>>       >>> You're just avoiding the question, which I will repeat:       >>>       >>> But how many genetic changes do you think were necessary to turn the       >>> human-chimp ancestor into a modern human? Give me a ballpark.       >>>       >>       >> Much more than "a few thousand", i.e. orders of magnitude.       >       > Where could this be found in the genome, then? Remember that the cell's       > protein and RNA contents have their origin int he genome. Where else,       > then, could this information be stored?              I'm deducing extra-genetic information, i.e. the ovum in its entirety.       See my recent response to EM.              >       >> But don't avoid the undergirding question I'm asking: what is the       >> total and necessary information content of the zygote to produce a human?       >>       >> You seem to be asserting that just the functional genome is       >> sufficient, i.e. ~80 megabytes. Am I understanding you correctly?       >       > If we consider the entire (haploid) functional genome, that's about 10%       > of 3 billion bases, which would be, at 4 bases per byte, about 80       > megabytes. Sure. What else is there?       >       > And why is that relevant to the difference between chimps and humans?       > The difference in the functional part of the genome is less than 1%, so       > that's 1% (being generous) of 10%, or 3 million bases, the great       > majority of which are themselves likely not to matter, for example 3rd       > position transitions in exons.              It seems we need to try to establish the information amount and location       for a chimp or human zygote first.              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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