The trick to obtaining sequences from such old samples were revised extraction protocols ... The fragments of ancient DNA found in the ice sheet came from more than 135 different species, according to ...

In natural populations, the mechanisms of evolution do not act in isolation. This is crucially ... among demes within a metapopulation if different selective pressures prevail in different demes.

Norgen’s Soil DNA Isolation Maxi Kit offers a fast and user-friendly solution for extracting DNA from large soil samples—up to 10 grams. It’s designed to handle a wide range of soil types ...