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  • https://bio.libretexts.org/Bookshelves/Evolutionary_Developmental_Biology/Phylogenetic_Comparative_Methods_(Harmon)/13%3A_Characters_and_Diversification_Rates/13.01%3A_The_Evolution_of_Self-Incompatibility
    Some species of angiosperms can avoid self-fertilization through self-incompatibility. In plants with self-incompatibility, the process by which the sperm meets the egg is interrupted at some stage if...Some species of angiosperms can avoid self-fertilization through self-incompatibility. In plants with self-incompatibility, the process by which the sperm meets the egg is interrupted at some stage if pollen grains have a genotype that is the same as the parent. This prevents self-fertilization – and also prevents sexual reproduction with plants that have the same genotype(s) at loci involved in the process.
  • https://bio.libretexts.org/Courses/Gettysburg_College/01%3A_Ecology_for_All/12%3A_Sex_Strategies/12.06%3A_Scientist_Spotlight_-_Ernest_Everett_Just
    Prior to his time in Chicago, Just conducted research at the Woods Hole Biological Marine Laboratory, where his work with marine invertebrates revealed that the ectoplasm (egg surface) significantly i...Prior to his time in Chicago, Just conducted research at the Woods Hole Biological Marine Laboratory, where his work with marine invertebrates revealed that the ectoplasm (egg surface) significantly influences the fertilization and development of eggs (Just 1919, 1922; Wellner 2010). Despite his major contributions to our understanding of fertilization and evolutionary developmental biology, his work was “...largely forgotten and invisible to the world of biology” (Byrnes and Newman 2014).
  • https://bio.libretexts.org/Workbench/General_Ecology_Ecology/Chapter_11%3A_Behavioral_Ecology/11.1%3A_Proximate_and_Ultimate_Causes_of_Behavior/11.1.1%3A_Scientist_Spotlight_-_Ernest_Everett_Just
    Prior to his time in Chicago, Just conducted research at the Woods Hole Biological Marine Laboratory, where his work with marine invertebrates revealed that the ectoplasm (egg surface) significantly i...Prior to his time in Chicago, Just conducted research at the Woods Hole Biological Marine Laboratory, where his work with marine invertebrates revealed that the ectoplasm (egg surface) significantly influences the fertilization and development of eggs (Just 1919, 1922; Wellner 2010). Despite his major contributions to our understanding of fertilization and evolutionary developmental biology, his work was “...largely forgotten and invisible to the world of biology” (Byrnes and Newman 2014).
  • https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/16%3A_The_Anatomy_and_Physiology_of_Plants/16.03%3A_Reproduction_in_Plants/16.3E%3A_Self-incompatibility_-_How_Plants_Avoid_Inbreeding
    This page discusses how outbreeding enhances genetic variability in plants, which face challenges from self-fertilization. It outlines strategies like dioecy and monoecy and explains two self-incompat...This page discusses how outbreeding enhances genetic variability in plants, which face challenges from self-fertilization. It outlines strategies like dioecy and monoecy and explains two self-incompatibility types: sporophytic (SSI), influenced by the sporophyte's genotype, and gametophytic (GSI), determined by a single pollen allele. Additionally, it notes that some angiosperms have adapted to self-pollination by modifying their incompatibility mechanisms and floral structures.

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