IMG_0004_NEW_0009 - at the neural plate/epidermal border...

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ln repllileq, the articular and quadrate bones are part of the joint between lowerjgw and skuJl. ln mammals these bones become the incus and malleus taking on a new function in transmitting sound to the inner ear. Bones in the inner ear of mammals On the origin of novel structures: neural crest and its derivatives Amphioxus (invertebrate chordate without n"rrul cresty has cells
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Unformatted text preview: at the neural plate/epidermal border that express several genes also found in neural crest cells, but lack expression of key genes involved in neural crest specification in vertebrates. A chanse i" "*#*i"tn?';Jeropmentat controt genes allowed neural crest ancestors to acquire a new developmental potential and to form novel structures. 10...
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This note was uploaded on 12/27/2011 for the course BISC 333 taught by Professor Mattsson during the Fall '09 term at Simon Fraser.

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