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chromosome



My point was not to bring up a molecular discussion but to ask the question:
Do different varieties (subspecies) of say gardneri have different
chromosome number based on isolation of communities?  My point with my last
years paper was that chromosome was not a defining criteria for systematics,
identical plants from different bioclimes often had different numbers.  Is
this possible with fish? I'm a botanist not ichthyologist.

Plus if chromosome number is a criteria then what is the species name for
humans with X trisomy, Y trisomy, XYY, XXY. ......

Dave