Having a separate article on X-linked disorders perhaps makes sense, as the pattern of inheritance is rather different (and differs between sexes) and people sometimes get confused by that, so to explain this clearly in an encyclopedia one may need a separate article. As for autosomal dominant/recessive, I think that should be explained here in general terms, that is, applying to all organisms, not just humans. That is why I think an list of autosomal dominant disorders does not belong in this article: it distracts from explaining what dominance per se is and it is human-centered, whereas dominance occurs in every diploid organism (it was, of course, first discovered by Mendel in peas). Medical genetics belongs somewhere else. As for my reversion, please have a second look at what you did. It was wrongly formatted as a start, went against WP:MOS (the lead should start with "dominance is" or something like that, etc. One moment it spoke of "dominant alleles", in the next phrase it was "dominant traits". I am certainly not saying that the current article cannot be improved upon and I apologize if I discouraged you. I'm not sure what you mean by "journals semantics", though. As for merging ambidirectional dominance here, I'm not completely against that, but I am not sure that would not clog the article up in yet another way. As it stands, this article is (or should be) about phenomena at a single gene. (Ambi)directional dominance is something encountered in polygenic situations (and a concept used almost exclusively in quantitative genetics and it may be confusing to include it here. As for the article on "Autosomal recessive", did you actually click on that link? There is no article there, it is a redirect here... A final remark about the "confusing definitions" that you complain about: the current version of the article (although, I repeat, certainly not ideal) came about through heavy editing from an editor who has taught genetics for decades, so I gingerly suggest that the possibility exists that he knew what he was doing.
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