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User contributions for Gregorio101!

A user with 18 edits. Account created on 20 July 2024.
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22 July 2024

20 July 2024

  • 19:0519:05, 20 July 2024 diff hist −5 Endosperm Endosperm is formed by a distinct and separate fertilization event, and undergoes a separate developmental process, than the embryo. For these reasons, some classify endosperm as a separate organism.
  • 19:0219:02, 20 July 2024 diff hist +95 m Endosperm Endosperm is formed by a separate fertilization event distinct from the fertilization event initiating formation of the embryo. For this reason, endosperm is considered to be a separate "organism" by some. bryo, and some ecen consider it to be a separate organism.
  • 18:4318:43, 20 July 2024 diff hist +7 m Endosperm Endosperm is triploid tissue.
  • 18:3918:39, 20 July 2024 diff hist +4 Double fertilization Pollen grains (which contain two immature sperm cells) can only be activated if they interact with genetically compatible reproductive tissue from the female plant, otherwise the pollen will be immunologically rejected and destroyed. Specifically, the pollen initially adheres to the surface of the stigma, which is one component of the multi-part female reproductive structure in angiosperms called the carpel (or sometimes the pistil).
  • 18:3718:37, 20 July 2024 diff hist +37 Double fertilization Pollen can only be activated to mature if it interacts with genetically compatible reproductive tissue from the female plant, otherwise the pollen will be immunologically rejected and destroyed. Specifically, the pollen initially adheres to the surface of the stigma, which is one component of the multi-part female reproductive structure in angiosperms called the carpel (or sometimes the pistil).
  • 18:3418:34, 20 July 2024 diff hist +18 Double fertilization Pollen can only be activated to mature if it interacts with genetically compatible reproductive tissue from the female plant, otherwise the pollen will be immunologically rejected and destroyed. Specifically, the pollen initially adheres to the surface of the stigma, which is one component of the multi-part female reproductive structure in angiosperms called the carpel (or sometimes the pistil).
  • 18:3018:30, 20 July 2024 diff hist +19 Double fertilization Pollen can only be activated to mature if it interacts with genetically compatible reproductive tissue from the female plant, otherwise the pollen will be immunologically rejected and destroyed. Specifically, the pollen initially adheres to the surface of the stigma, which is one component of the multi-part female reproductive structure in angiosperms called the carpel (or sometimes the pistil).
  • 18:2518:25, 20 July 2024 diff hist −15 Double fertilization Pollen can only be activated to mature if it interacts with genetically compatible reproductive tissue from the female plant, otherwise the pollen will be immunologically rejected and destroyed. Specifically, the pollen initially adheres to the surface of the stigma, which is one component of the multi-part female reproductive structure in angiosperms called the carpel (or sometimes the pistil).
  • 18:2318:23, 20 July 2024 diff hist +80 Double fertilization Pollen can only be activated to mature if it interacts with genetically compatible reproductive tissue from the female plant, otherwise the pollen will be immunologically rejected and destroyed. Specifically, the pollen initially adheres to the surface of the stigma, which is one component of the multi-part female reproductive structure in angiosperms called the carpel (or sometimes the pistil).
  • 18:1018:10, 20 July 2024 diff hist +19 Double fertilization Pollen can only be activated to mature if it interacts with genetically compatible reproductive tissue from the female plant, otherwise the pollen will be immunologically rejected and destroyed. Specifically, the pollen initially adheres to the surface of the stigma, which is one component of the multi-part female reproductive structure in angiosperms called the carpel (or sometimes the pistil).
  • 18:0618:06, 20 July 2024 diff hist +42 Double fertilization Pollen can only be activated to mature if it interacts with genetically compatible reproductive tissue from the female plant, otherwise the pollen will be immunologically rejected and destroyed. Specifically, the pollen initially adheres to the surface of the stigma, which is one component of the multi-part female reproductive structure in angiosperms called the carpel (or sometimes the pistil).