禁止,切断
发表于 2025-3-27 00:44:28
The Diplohaplontic Life Cyclermined germline typical of the diplontic life cycle of vertebrates. This “moving interface” between vegetative and reproductive cell lineages has not been well-studied in conifers and it constitutes a fertile area for exploring adaptive response, mutational accumulation, DNA repair systems and regul
GREEN
发表于 2025-3-27 03:16:52
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整洁漂亮
发表于 2025-3-27 07:44:48
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鞠躬
发表于 2025-3-27 11:13:58
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Coeval
发表于 2025-3-27 15:03:13
The Embryo Lethal Systemed to infer severity and distribution of lethal factors; to date, most are semi- lethal rather than fully lethal. These range from partially dominant to overdominant or perhaps balanced lethals..Some selfed embryos die at all stages of seed development but a second death pattern has been detected in
粗糙滥制
发表于 2025-3-27 19:16:27
male gametes, as well as in the synchronicity of male and female gamete development. How are these coordinated to achieve fertilization? Books on conifer reproduction are all too rare. The only major work in th978-90-481-8167-4978-1-4020-9602-0
depreciate
发表于 2025-3-27 22:12:09
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expository
发表于 2025-3-28 02:15:37
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杀人
发表于 2025-3-28 10:18:37
value of conifers is significant.Includes supplementary matWhen it comes to reproduction, gymnosperms are deeply weird. Cycads and co- fers have drawn out reproduction: at least 13 genera take over a year from polli- tion to fertilization. Since they don’t apparently have any selection mechanism by
conscience
发表于 2025-3-28 11:33:50
Textbook 2009 polli- tion to fertilization. Since they don’t apparently have any selection mechanism by which to discriminate among pollen tubes prior to fertilization, it is natural to w- der why such a delay in reproduction is necessary. Claire Williams’ book celebrates such oddities of conifer reproduction. S