Gene evolutionarily conserved
Gene, evolutionarily conserved
a gene that has remained essentially unchanged throughout evolution. Conservation of a gene indicates that it is unique and essential. There is not an extra copy of that gene with which evolution can tinker. And changes in the gene are likely to be lethal.
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... with the question(s). Time used to be that genes were identified by phenotype—and sometimes ... you mean. Unless you are comparing highly conserved genes (and even then you can expect to ... be many differences, and conversely, the more evolutionarily distant the sources, the more likely ...
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