In this episode of Tiny Show and Tell Us, we talk about the crafty corvids that steal anti‑bird spikes to build chaotic, spiky nests and “Mitochondrial Eve” — the most recent common maternal ancestor ...
Researchers constructed a phylogenetic tree based upon human mitochondrial DNA (mtDNA) variation. A branch bifurcates whenever they found an additional polymorphism. At the top of the inverted tree is ...