News tagged with chromosomes

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In search of lost genes

It is well known that genes are passed from one generation to the next. In addition, new genes arise regularly, although the number of genes in a particular organism does not seem to increase. The paradox ...

Feb 17, 2014
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What makes cell division accurate?

As all school-children learn, cells divide using a process called mitosis, which consists of a number of phases during which duplicate copies of the cell's DNA-containing chromosomes are pulled apart and ...

Jan 23, 2014
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Chromosomes show off their shapes

Chromosomes – the 46 tightly-wrapped packages of genetic material in our cells – are iconically depicted as X-shaped formations. However, those neat X's only appear when a cell is about to divide and the entire contents ...

Nov 25, 2013
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Long-lived mice are less active

Female mice with a high life expectancy are less active and less explorative. They also eat less than their fellow females with a lower life expectancy. Behavioral biologists from the University of Zurich ...

Jul 04, 2013
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