07-10-2008, 02:36 AM
<!--QuoteBegin-Ashok Kumar+Jul 9 2008, 03:00 PM-->QUOTE(Ashok Kumar @ Jul 9 2008, 03:00 PM)<!--QuoteEBegin-->I haven't read the book, but heard about it. The idea is not new. There is a theory that human embryos also go through all these evolutionary stages, where first they appear like fish embryos, then amphibian embryos etc. The actual appearance of similarity between the embryos may be controversial, but one thing is quite well established that structures in an embryo appear in an order that follows their appearance during evolutionary history. Some people even say that a human embryo goes through whole of human evolutionary history, starting from fish to human, at a fast rate during its development.
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I think you're talking about the theory of recapitulation, which states that ontogeny mirrors phylogeny (embryonic development also showing evolutionary stages). I'm pretty sure the theory has been discredited now.
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I think you're talking about the theory of recapitulation, which states that ontogeny mirrors phylogeny (embryonic development also showing evolutionary stages). I'm pretty sure the theory has been discredited now.