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2018-09-07. The secret sex life of strawberries.

posted Sep 8, 2018, 10:37 PM by Alan Gould
By Carol Cruzan Morton, Science Magazine. [http://www.sciencemag.org/news/2018/09/secret-sex-life-strawberries] For GSS Losing Biodiversity chapter 4. Excerpt: ...scientists have figured out how strawberries, which have the youngest known sex chromosomes of any plant or animal, made their recent transition to male and female. The unusual “jumping” genes responsible could mean sex differences can change faster in plants than anyone realized. “For the first time, we now have a view of sex chromosome evolution over space and time,” says Alex Harkess, an evolutionary biologist at Donald Danforth Plant Science Center in St. Louis, Missouri, who was not involved in the study. “It’s not just about the establishment of sex chromosomes, it’s how the sex-determining regions continue to evolve.”...