Over the past few decades, growing evidence has challenged the belief that inheritance is governed solely by DNA sequences. Scientists now recognize the crucial role of epigenetic inheritance—the ...

For years, a child may be treated as a son or daughter in every practical sense, raised by the family, educated by them, and recognised socially as their own. But if a DNA test later reveals no ...

Brian K. Hall is a distinguished research professor emeritus at Dalhousie University, Halifax, Canada. Between 1856 and 1863, an Austrian monk named Gregor Mendel performed a series of pioneering ...