Word: geneses
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Indeed, most researchers believe autism arises from a combination of genetic vulnerabilities and environmental triggers. An identical twin of a child with autism has a 60% to 90% chance of also being affected. And there's little doubt that a vulnerability to ASD runs in some families: the sibling of...
Last Friday, a team of researchers primarily from the Broad Institute of Harvard and MIT published a report that may bring scientists much closer to finally understanding how embryonic stem (ES) cells differentiate themselves, with potential implications for future regenerative therapies. Every cell in the human body contains the same...
Greenberg, a Studies of Women, Gender, and Sexuality concentrator, said that although facial symmetry does imply consistency in genes and better genes for the future, hand symmetry is not necessarily a reliable marker.
Because characteristics like limb development are governed by powerful families of genes known as Hox genes, the fishapod's curious mix of features intrigues developmental biologists as much as it does paleontologists. Recent experiments on mice by University of Geneva geneticist Denis Duboule and his colleagues, for example, show that...
It all 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...