039donoghuelab.yale.edu/sites/default/files/038_mjd_eclevlplntrp92.pdf · In both cycads and ginkgo...
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039donoghuelab.yale.edu/sites/default/files/038_mjd_eclevlplntrp92.pdf · In both cycads and ginkgo two large multiflagellate sperms are differ- entiated after the last mitotic division