when I remember the right way, it was a BBC-docu.
In that docu they talked about the DNA from "Mitochondrien".
They sad, that these typ of DNA is very strong (there are only 1 mutation in many of thousand years) and will only transmit through the female "egg-zell"(?spelling). And when they check it backwards, they came to 3 different strains. That means 3 different females.


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Greetings from Berlin
Stefan & Raimo

R.B.E.
Reptiles-Breeding-Enterprise.com

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