Abstract The chloroplast genomes of many algae and almost all land plants carry two identical copies of a large inverted repeat (IR) sequence that can pair for flip-flop recombination and undergo expansion/contraction. Although the IR has been lost multiple times during the evolution of the green algae. the underlying mechanisms are still largely unknown. A recent comparison of IR-lac... https://www.soiebiologique.com/quick-sale-Axol-Friends-Mel-Axol-the-Axolotl-Black-Purple-special-save/