The human Y chromosome is shrinking. In the next 5 million years or so, some geneticists think the sex-determining chromosome will vanish completely from our species. In the meantime, we have a bigger ...

Jumping genes and X chromosome disease risk: a new Science study finds that X-chromosome inactivation makes the silenced X ...

The initiation of chromosome replication is exquisitely regulated in both time and location. It has been estimated that there are 200-400 autosomal replication sequence elements (ARSs) in the yeast ...

Half a century ago, scientists Jim Watson and Alexey Olovnikov independently realized that there was a problem with how our DNA gets copied. A quirk of linear DNA replication dictated that telomeres ...

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A new study from Weill Cornell Medicine provides insights into how cells maintain the tiny end caps of chromosomes as they divide, a key process in keeping cells healthy. Using yeast, the researchers ...