Breeds of dogs, etc.
One of the definitions of "species" is that it is unable to breed with other species.
If Blacks and Whites were unable to interbreed there would be less need for s/CoalToll and subs of a similar vein.
Tigers and lions as well as donkeys and horses can interbreed.
Language can be a tricky thing, however, I personally don't consider tigers and lions being the same species at all.
I personally don't consider tigers and lions being the same species at all.
They are in fact not the same species. Both belong to the same genius, Panthera.
And if they interbreed they produce hybrids.
It is well known that crossbreeding of donkeys and horses produces sterile offspring. In the case of the liger or tigon the males are sterile but the females can reproduce with male lions.
That mules are sterile but ligers and tigons are not is because horses and donkeys have different numbers of chromosomes ( 64 and 62 respectively ) while lions and tigers both have 38.
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