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Summary
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English: Multiple examples of the variation of cell number in mature seed plant female gametophytes prior to fertilization. Each cell contains one nucellus unless depicted otherwise. A: Typical 7 celled, 8 nucleate female gametophyte (ex. Tilia americana). B: Typical gymnosperm female gametophyte with many haploid somatic cells illustrated with a honeycomb grid (ex. Ginkgo biloba). C: Abnormally large 10 celled, 16 nucleate angiosperm female gametophyte (ex. Peperomia dolabriformis). D: Abnormally small 4 celled, 4 nucleate angiosperm female gametophyte (ex. Amborella trichopoda). E: Unusual gymnosperm female gametophyte that is singled celled with many free nucelli surrounding a pictured central vacuole (ex. Gnetum gnemon). Blue: egg cell. Dark orange: synergid cell. Yellow: accessory cell. Green: Antipodal cell. Purple: Individual nucelli. |
| Date | |
| Source | Own work |
| Author | 19345beta |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:00, 14 December 2020 |
| 1,280 × 720 (164 KB) | 19345beta | Uploaded own work with UploadWizard |
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