Word: zebrafish
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...observe all neurons in a functioning brain. “We look at how the brain processes sensory information—in our case, visual information—and what the brain does with that information in producing behavior,” Engert said. “The zebrafish are small enough that they fit into a high-powered microscope, so we can view the whole brain and see what the individual neurons are doing. We can see not only how the neurons are shaped, but how they function.” According to Andre G. V. Valente...
...depends on how and when the genes are turned on by a segment of DNA that acts like a switch. Fish have a version of that switch too. For example, Zebrafish (ray-finned fish that split off from the lineage that led to lobe-fins early in the Devonian) have only part of the sequence, whereas coelacanths (lobe-fins closely related to lungfish) have a lot more of it. And the fishapod, presumably, had even more...
...painted horses are out. But they did also say that a pregnant zebra counts as two. Therefore, a zebra fetus counts as one. Perhaps embryonic zebras would be more transportable?” Although suggestions for zebra acquisition abound on the comment pages—ideas range from using zebrafish to consulting with zoo expert Rory A.W. Browne, who is also associate dean of freshmen—none led to triumph. Unfortunately for the safari squad, enthusiasm for the project has increased as its prospects for success have plummeted. But while the group’s charitable goal of fundraising...
...Hopkins investigates the genetics of zebrafish, isolating genes that are necessary to the development of the fish...
Schier specifically looks at the genetics of mutant zebrafish, studying what genes are missing in the mutant fish and seeking to relate these genes to particular functions...