I am looking for information on how genetic diversity within a species (not between species) differs between taxa. In other words: Is the "spread" in the genetic pool, if measured, for instance, in terms of single-nucleotide polymorphism (SNP), generally bigger / smaller for some groups of species than for others?
My ad-hoc idea is that species with a stronger phenotypic difference between individuals, like homo, should probably have a higher genetic diversity (higher rate of SNP) than those with lesser phenotypic variation, like, say, Orthoptera (grasshoppers etc.). But I couldn't find any statistics or research on this topic.
I am especially interested in data on far-related taxa. Ideally this would be a chart with comparative data for Sponges, Annelids, Arthropoda, Fish, Mammals (single representatives of these groups), or even Plants, Fungi, Archeae, Bacteria ...
I do not look for information on the actual genome sequences, nor on biodiversity, but specifically on the genetic diversity within species from different phyla. |
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