Related topics: genes · genetic variation

Scientists find new variations among sperm cells

The behavior of sperm cells is due, in part, to the individual DNA make-up of these cells, rather than only to the genetics of males, finds a team of scientists. Its results, which provide a new understanding of the competition ...

Resistance genes mapped for drugs to treat parasitic worms

Drug resistance in parasitic worms poses a serious threat to global efforts to limit the significant health and economic impacts they have on people, pets and livestock. Researchers at the Wellcome Sanger Institute, the University ...

How do bacteria evolve in the gut over the course of a year?

Our bodies go through several changes throughout our lives. The same happens with the microbes that live with us. After all, these make up a big portion of the cells in our organism. But, in comparison with the cells that ...

The roots of biodiversity: How proteins differ across species

To better understand what drives biological diversity on Earth, scientists have historically looked at genetic differences between species. But this only provides part of the picture. The traits of a particular species are ...

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