News tagged with chromosomes

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How to make chromosomes from DNA

Researchers at the University of Tokyo have discovered a long-overlooked process important for converting a long, string-like DNA molecule into a chromosome. This finding gives us a better understanding of the mechanism of ...

dateJul 28, 2015 in Cell & Microbiology
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New cell division mechanism discovered

Canadian and British researchers have discovered that chromosomes play an active role in animal cell division. This occurs at a precise stage - cytokinesis - when the cell splits into two new daughter cells. It was observed ...

dateJul 13, 2015 in Cell & Microbiology
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Why human egg cells don't age well

When egg cells form with an incorrect number of chromosomes—a problem that increases with age—the result is usually a miscarriage or a genetic disease such as Down syndrome. Now, researchers at the RIKEN Center for Developmental ...

dateJul 01, 2015 in Cell & Microbiology
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DNA which only females have

In many animal species, the chromosomes differ between the sexes. The male has a Y chromosome. In some animals, however, for example birds, it is the other way round. In birds, the females have their own sex chromosome, the ...

dateJun 04, 2015 in Biotechnology
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Sex chromosomes—why the Y genes matter

Several genes have been lost from the Y chromosome in humans and other mammals, according to research published in the open access journal Genome Biology. The study shows that essential Y genes are rescued by relocating to ...

dateMay 27, 2015 in Biotechnology
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