For one hypothesis, try:
Martin, C.C. & R. Gordon (1995). Differentiation trees, a junk DNA
molecular clock, and the evolution of neoteny in salamanders. J. Evol.
Biol. 8, 339-354.
>I'm seeking data or other resources which address the reasons causing
>the large differences in genome size between diverse organisms (which
>appear not to relate to any obvious organismic parameters).
>>Any clues, resources, etc. you can provide will be appreciated!
>>Thanks,
>Dennis
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