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Understanding Sexual Propagation in Plants

Sexual propagation involves plants producing new ones from seeds, where the offspring are similar to but not identical to the parent plants. This process includes the exchange of gametes through pollen transfer and fertilization. Pollen from male flowers carries gametes to the stigma of a flower, leading to seed formation and fruit development. Various carriers like wind, insects, birds, or animals aid in the pollination process.

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Understanding Sexual Propagation in Plants

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  1. What is it? • Sexual propagation is the production of plants from seeds. • The new plants are not exactly the same as the parent plants, but they are close enough for most uses.

  2. Exchange Gametes in Plants • Pollen from male flowers is carried from the stamen to the stigma of a flower. • The pollen then moves down the style to the ovary where the ovum is fertilized. Anther Pollen Grain Style Pollen Tube Filament Ovary Ovule

  3. The pollen may be carried to the stigma by wind, insects, birds, or animals. Pollen Carriers

  4. After pollination..... • The ovum becomes a seed. • The plant begins to store food for the seed. • Fruit is made.

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