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Old 02-25-2012, 12:18 PM
BrainGlutton BrainGlutton is offline
Join Date: Mar 2003
Location: Tampa, Florida
Posts: 78,508
Originally Posted by Der Trihs View Post
There's other ways to do it; I understand that some slime molds have 5000 sexes or so and do fine. There's just a biological hierarchy (for lack of a better term) with each successive gender being "male" for those lower down the totem pole; Sex 3 is "female" for Sex 2 and "male" for sexes 4-5000 and so on. "Female" and "male" being respectively the gender that does and does not pass down its mitochondria in this case; mitochondrial DNA not being part of nuclear DNA appear to be a major factor in the two-sex system since dumping the mitochondria from two genders in one egg tends to produce destructive competition among the separate breeds.
Now imagine large animals trying to work a system that complicated.