Amphioxus, as a basal chordate, offers an insightful window into the evolutionary origins of vertebrate development. Its embryogenesis, characterised by the formation of a notochord, neural tube and ...
A researcher studying the last common link between invertebrate and vertebrate animals has found a key genetic change that separates the spineless from the backboned. Jeremy Gibson-Brown, Ph.D., ...
THIS is a translation of Dr. Hatschek's well-known paper on the subject published twelve years ago. It will no doubt enable those who cannot read German tø follow Dr. Hatschek's statements. But unless ...
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