In addition to genes, the genome also contains large regions of DNA that do not code for proteins. This non-coding DNA, sometimes referred to as "junk DNA," has various functions, such as regulating ...

With chromosome maps called idiograms, researchers can pinpoint the locations of genes and locate abnormal gene forms. Aa Aa Aa Most cytogeneticists are skilled at identifying individual ...

Rebecca Roberts is a science writer and communicator. She earned her PhD in molecular biology from the University of the Sunshine Coast in Australia and completed a two-year postdoctoral fellowship at ...

In older mice, about 100 genes on the inactive chromosome had higher activity levels in at least one cell type, compared with young mice. One gene in particular, Plp1, had higher activity across ...

However, there is some evidence that the Y chromosome is being phased out of the evolutionary pipeline, and could one day disappear altogether — potentially giving rise to a new sex gene in the ...