News tagged with sperm cells

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Sea lampreys jettison one-fifth of their genome

(PhysOrg.com) -- Researchers have discovered that the sea lamprey, which emerged from jawless fish first appearing 500 million years ago, dramatically remodels its genome. Shortly after a fertilized lamprey ...

Jul 20, 2009
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New method for sequencing genome in a single cell

(Phys.org)—The traditional genome sequencing process requires thousands of cells (or more) to provide sufficient DNA, and this means that variations that are only present in a small number of cells―such as early cancer ...

Dec 21, 2012 report
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Jumping genes discovery 'challenges current assumptions'

Jumping genes do most of their jumping, not during the development of sperm and egg cells, but during the development of the embryo itself. The research, published this month in Genes and Development, "challenges standard assump ...

Jun 12, 2009
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Putting the squeeze on sperm DNA

(PhysOrg.com) -- In the quest for speed, olympic swimmers shave themselves or squeeze into high-tech super-suits. In the body, sperm are the only cells that swim and, as speed is crucial to fertility, have ...

Sep 30, 2009
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