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Flower Reproduction. Structure Meets Function How do perfect flowers avoid self-pollination?. Students will be able to:. Recognize the processes that allow organisms to reproduce sexually. Identify the role of a flower in plant sexual reproduction.

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flower reproduction
Flower Reproduction

Structure Meets Function

How do perfect flowers avoid self-pollination?

students will be able to
Students will be able to:
  • Recognize the processes that allow organisms to reproduce sexually.
  • Identify the role of a flower in plant sexual reproduction.
  • Explain the mechanisms flowers have to avoid self-pollination.
sexual reproduction
Sexual Reproduction
  • The process that allows the union of gametes from two different individuals.
major cellular processes
Major cellular processes
  • Meiosis: Cell division which produces haploid (1N cells)

N=number of chromosomes

  • Fertilization: Union of gametes to produce a zygote (2N)
why sex
Why sex?
  • Mutation is the ultimate source of genetic variation.
  • Sex shuffles up combinations of mutations!
lab activity
Lab Activity
  • How does a plant avoid self-pollination?
    • You will observe the structure of a perfect flower.
    • You will analyze how the structure allows for the function of cross-pollination (avoiding self-pollination).

Questions to ponder:

      • Does timing prevent self-fertilization?
      • Do the male and female structures prevent accidental self-fertilizaiton?
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