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38 - How Do Angiosperms Reproduce Sexually Sexual...

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How Do Angiosperms Reproduce Sexually? Sexual reproduction produces new gene combinations and diverse phenotypes. Asexual reproduction produces clones of genetically identical individuals. A complete (or perfect) flower has four groups of organs (modified leaves): carpels (female sex organs), stamens, petals, sepals. A pistil is composed of one or more carpels; ovaries in the base, have ovules that contain the Megasporangium, which is where the female gametophyte is made. Stamens are the male sex organs. Each has a filament with a two-lobed anther , containing four fused microsporangia Petals make up the corolla . They are often colored to attract pollinators. Sepals make up the calyx . All the flower parts are attached to the stem tip or receptacle See slide 7 and 8 for picture Pollination : transfer of pollen from anther to stigma When pollen is transferred to a different individual of the same species, it is called cross-pollination Some plants reject pollen from their own flowers—
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