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How are characteristics of one generation related to the previous generation?

Topic

Plant Genetics and Variation

Framing Question

How are characteristics of one generation related to the previous generation?

Learning Objectives

  • Design an experiment to determine the ploidy of a plant tissue.
  • Compare the amount of genetic variation in the offspring of a plant that self-fertilizes and a plant that reproduces asexually.
  • Select an example of within species hybridization (e.g., hybrid corn) and explain why this can result in desirable agricultural traits.
  • Diagram the flow of chromosomes from plants of two different species that hybridize to their offspring; construct an argument for whether the offspring will reproduce.
  • Compare the genetic diversity of the offspring of a plant that is reproducing sexually versus asexually.
  • Select a crop plant that is the result of hybridization and subsequent polyploidy (e.g., wheat or banana) and discuss how polyploidy corresponds with important agricultural traits.

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