How do cells know what they should become as the body develops? Biological development depends crucially on spatial patterns: the lines that eventually give rise to segments, organs, or markings like ...
Polyploidy, or whole-genome duplication (WGD), is a major mechanism of genome evolution across the tree of life and is particularly prevalent in plants, where it facilitates the evolution of new ...
ch. 1. Ode to Cecropia: discovering nature -- ch. 2. Teasing the strands apart -- ch. 3. Time, energy, and biological evolution -- ch. 4. Evolution of the earth -- ch ...
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