Donald Prothero believed that in the ladder of progress of life, new forms of animals and insects just occurred in the next generation (Wells, Evolution News). He had not believed that genetic changes or mutations in the gene governing that part of the body could be the cause of the changes. His theory was that the regulatory or Hox genes changed to produce the new forms. Prothero had ignored the development of the new science of developmental genetics (Wells, Evolution News).
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Donald Prothero believed that in the ladder of progress of life
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