jaman pengine kuna scientific explanation for that, kwa mfano vitu kama mutation huwa vinasababisha viungo vikue katika hali isiyo ya kawaida. kwa mfano kwa ng'ombe wa nyama kama Piedmontese or Norwagiarn Blue, lack of protein in myostatin gene inaweza kusababisha mutation which in turm may cause extreme growth of muscles called double muscles