According to the '2R hypothesis', the evolution of modern vertebrates was propelled forward in part by two events in our early ancestry in which the entire genome was duplicated. These events, known as 1R and 2R, yielded ...
Biotechnology
Feb 12, 2014
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A team of researchers including SF State Assistant Professor of Biology Scott Roy has sequenced the entire genome of the elephant shark, uncovering several features that may shed light on the evolution of bony vertebrates.
Biotechnology
Jan 8, 2014
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The ancestor of all creatures with jaws and a backbone was not a sleek, shark-like beast but a toothless, armoured fish, said a study Wednesday that rewrites Man's evolutionary history.
Archaeology
Sep 25, 2013
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A Singapore-based research team has used fluorescent labeling of embryonic cell populations to pinpoint the origin of scales and fins in modern-day fish. These tissues are evolutionary relics of the first skeletons and were ...
Evolution
Aug 28, 2013
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Swedish, Australian and French researchers present for the first time miraculously preserved musculature of 380 million year old armoured fish discovered in north-west Australia. This research will help scientists to better ...
Archaeology
Jun 13, 2013
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Researchers from the University of Valencia and the Natural History Museum of Berlin have studied the fossilised remains of scales and bones found in Teruel and the south of Zaragoza, ascertaining that they belong to a new ...
Archaeology
Jun 3, 2013
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Scientists studying how early land vertebrates evolved from fishes long thought that the animals developed legs for moving around on land well before their feeding systems and dietary habits changed enough to let them eat ...
Archaeology
May 1, 2013
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The invention of the jaw is the most profound and radical evolutionary step in the vertebrate history. However, the sequence leading to the evolutionary origin of the jaw is still unclear largely due to the absence of data ...
Archaeology
Nov 14, 2012
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The origin of jaws marks one of the biggest events in our deep evolutionary history, yet how and when this occurred is still one of the greatest unsolved mysteries of modern science. New fossil discoveries coming out of Southern ...
Archaeology
Oct 23, 2012
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It takes both teeth and jaws to make a pretty smile, but the evolutionary origins of these parts of our anatomy have only just been discovered, thanks to a particle accelerator and a long dead fish.
Archaeology
Oct 17, 2012
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