Belyaev wondered when the shopping for for tameness and you will up against hostility perform result in the hormone and neurochemical transform, while the behavior at some point came up out-of biology. Those individuals hormone and you may chemical alter you will upcoming be accused during the anatomy and you can structure. Perhaps the the fresh new anatomical variations in domesticated animals was related to the fresh new genetic transform hidden the brand new behavioural temperament getting that they picked (tameness and you can reduced aggression). Fortsett å lese After that, on interacting with sexual maturity (eight to eight weeks), they had the last ensure that you assigned an overall total tameness rating