Darwinism Plants

Conundrum: How do self-infertile plants pass on the trait through random processes

From at ScienceDaily: Self-fertilization is a problem, as it leads to inbreeding. Recognition systems that prevent self-fertilization have evolved to ensure that a plant mates only with a genetically different plant and not with itself. The recognition systems underlying self-incompatibility are found all around us in nature, and can be found in at least 100 […]