On a spring morning, a search for a specific species of fern leads to a discussion on ancient plant history, vascular beauty ...

They can be created mathematically and also occur in nature. For example, tree branches, leaf veins, vascular networks, and many floral patterns, such as cauliflower, follow a fractal structure.

But why is leaf color in Mirabilis determined by only ... Mitochondria also contain DNA, and they show similar patterns of uniparental and biparental inheritance. In fact, because most animals ...