Blood group systems, notably ABO and Rhesus (Rh), display marked variation across global populations, reflecting both historical migrations and selective pressures such as infectious disease. The ABO ...

Tsukuba, Japan—Historical climatic fluctuations have profoundly influenced species distributions and genetic structures. Traditionally, past distributional patterns have been inferred using ...

Researchers have created a way to see your family tree as a movie rather than a still portrait by tracing where your ancestors moved across the globe over time. The statistical method can also be used ...