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After a hairy week of close games vs Florida, Kansas, and Virginia, the talk around the Carrier Dome before, during, and after Syracuse's blowout win over Colgate was...
Iman Bakry has risen to national prominence with her politically barbed verse about repression, corruption and poverty, appealing to the intellectual as well as the illiterate. Iman Bakry has a fortuneteller's voice, husky and cracked. It coaxes you into her colloquial poems, which once were about romance, but have since shifted to a cutting critique of President Hosni Mubarak's government ...
Scientists report that small RNA molecules called piRNAs can be passed directly from one generation to the next in fruit flies, thereby passing the trait of fertility from the mother to progeny. This process occurs independently of genomic DNA via direct deposits of maternal piRNAs into developing oocytes. The piRNAs suppress the expression of DNA sequences called "transposons" that would ...
Hereditary information flows from parents to offspring not just through DNA but also through the millions of proteins and other molecules that cling to it.
Hereditary information flows from parents to offspring not just through DNA but also through the millions of proteins and other molecules that cling to it. These modifications of DNA, known as "epigenetic marks," act both as a switch and a dial - they can determine which genes should be turned on or off, and how much message an "on" gene should produce.
HUNTINGTON -- It just might be in the genes.
Doctors said it was against the odds, but Kenny Blankenship was celebrating Thanksgiving with his family on Thursday.
( Cold Spring Harbor Laboratory ) CSHL scientists report that small RNA molecules called piRNAs can be passed directly from one generation to the next in fruit flies, thereby passing the trait of fertility from the mother to progeny. This process occurs independently of genomic DNA via direct deposits of maternal piRNAs into developing oocytes. The piRNAs suppress the expression of DNA sequences ...
Research could finally provide evidence of the first stages of the evolution of separate sexes, a theory that holds that males and females developed from hermaphroditic ancestors. These early stages are not completely understood because the majority of animal species developed into the arguably less titillating separate-sex state too long ago for scientists to observe the transition.
We all came from hermaphrodites, organisms with both male and female reproductive organs. And though the origin traces back more than 100 million years, biologists have scratched their heads over how and why the separate male and female sexes evolved.
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