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Somatic Embryogenesis in Plants
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Somatic Embryogenesis in Plants

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Questions and Answers

What type of cells are used to form somatic embryos?

  • Cells from fully developed embryos
  • Plant cells not involved in embryo development (correct)
  • Reproductive cells from flowers
  • Cells from the endosperm
  • What is the role of plant growth regulators in somatic embryogenesis?

  • Manipulate callus and embryo formation (correct)
  • Inhibit somatic embryo development
  • Induce the formation of endosperm
  • Prevent callus formation
  • Where are somatic embryos mainly produced for laboratory purposes?

  • In hydroponic systems without plant growth regulators
  • In vivo within the natural environment
  • In vitro using solid or liquid nutrient media (correct)
  • In soil without any nutrient media
  • What was the significance of the first documentation of somatic embryogenesis by Steward et al. and Reinert?

    <p>Contributed to understanding plant developmental processes and biotechnological advancement</p> Signup and view all the answers

    What is somatic embryogenesis?

    <p>Artificial process to derive a plant or embryo from a single somatic cell</p> Signup and view all the answers

    Study Notes

    Somatic Embryogenesis

    • Somatic embryos are formed from somatic cells, which are non-reproductive cells that make up the majority of an organism's cells.

    Role of Plant Growth Regulators

    • Plant growth regulators (PGRs) play a crucial role in somatic embryogenesis as they stimulate the formation of somatic embryos by regulating cellular differentiation and growth.

    Laboratory Production

    • Somatic embryos are mainly produced in laboratory cultures, such as tissue culture or cell suspension cultures, for research and application purposes.

    Significance of First Documentation

    • The first documentation of somatic embryogenesis by Steward et al. and Reinert (1950s-1960s) was significant because it demonstrated the potential for plant cells to differentiate into embryos, challenging the traditional view that only fertilized eggs could give rise to embryos.

    Definition of Somatic Embryogenesis

    • Somatic embryogenesis is the process by which somatic cells develop into embryos, mimicking the process of zygotic embryogenesis, but without the fertilization of an egg cell.

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    Description

    Test your knowledge about the artificial process of somatic embryogenesis, where plant embryos are derived from single somatic cells. Learn about the formation of somatic embryos from ordinary plant tissue and the manipulation of plant growth regulators in tissue culture medium.

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