Chromosomes are masters of organization. These long strings of DNA fold down into an ensemble of compact structures that keep needed parts of the genome accessible while tucking away those that aren’t ...

Add Yahoo as a preferred source to see more of our stories on Google. As biotech startups develop ways to resurrect the woolly mammoth, an international team of scientists have now reconstructed the ...

When a woman becomes pregnant, the outcome of that pregnancy depends on many things—including a crucial event that happened while she was still growing inside her own mother's womb. It depends on the ...

For the first time, a research team at the Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) has succeeded in ...

Sex chromosomes are chromosomes, or packages of DNA, that are found inside the nucleus of all of your cells. There are two different kinds: X and Y, which determine whether you’re biologically male ...

Using chromosome-specific painting, researchers traced how chromosome number changed within the genus Medicago, which ...

Sex is determined in a variety of different ways throughout the animal kingdom. In mammals, it is determined genetically, not by temperature, as it can be in reptiles. Typically, females have two X ...