Tag: "birthplace" at biology news
Spud origin controversy solved
...slands. For years, researchers have debated the birthplace
of the European potato. While some scientists hypothesized that landrace introductions originated in the Andes, others believed that the introductions came from Chile. While there are multiple lines of evidence to support each theory, the Andean intr...
History-hunting geneticists can still follow familiar trail
...ld's first explorers branched away from humanity's birthplace
in east Africa some 65,000 years ago, distinct mutations accumulated in the DNA of each population, essentially providing a genetic trail for modern researchers to follow. Recently some scientists have raised doubts about this classic genetic system...
Neurons find their place in the developing nervous system with the help of a sticky molecule
...cells, also called neurons, must travel from their birthplace
to the position they will occupy in the adult brain. Researchers at the Salk Institute for Biological Studies have identified a molecule expressed on the surface of certain migrating neurons that helps them find their correct position along on the wa...