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4

I think this analogy is not actually that bad, but you are making some incorrect conclusions from it especially regarding 'junk' DNA and which parts of a repository DNA holds (which shows the limits of analogy!). Think instead of the DNA of an organism as a single local copy of a particular commit. There is no remote to compare to and no list of historical ...


2

Watch out with analogies. Even when they are somewhat helpful, they are only analogies. That being said, unfortunately, your analogy is completely unhelpful! What if DNA is actually like a software source code repository? You know, it has "master" branch - which is most stable and up-to-date version of program but also it has other branches, experimental ...


1

I found at least one example of genes where the same genes and the same alleles exist in both humans and other primates but the frequencies of the different alleles are different in different primate species and those are the genes/alleles associated with the AB0-blood system that humans and other primates share. Citations from this site: Of the Old World ...


0

Preamble My original answer to this question has recently fallen into the third circle of hell because of a contrast I made between physics and biology which seems to have offended some biologists. I shall let that rest, but provide a new answer to make one point that I feel some biology students need to absorb. Answer The use of the word ‘rule’ should be ...


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Failure to properly separate homologous chromosomes during meiosis, either by including an extra copy of a chromosome or including zero copies of a chromosome, causes gametes that are 'aneuploid', and as a result, a zygote that results from that gamete will have an extra or missing chromosome as well. For humans, most aneuploidies are completely fatal at ...


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