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Questions and Answers
What is the name given to the diploid cells within the microsporangia?
What is the name given to the diploid cells within the microsporangia?
Microspore mother cells
How many microspores are produced by each microspore mother cell?
How many microspores are produced by each microspore mother cell?
Four
What type of cell division does a microspore undergo to form the male gametophyte?
What type of cell division does a microspore undergo to form the male gametophyte?
Mitosis
How many cells does a mature male gametophyte consist of?
How many cells does a mature male gametophyte consist of?
What is the name of the structure that is produced by both the microspore and the mother cell?
What is the name of the structure that is produced by both the microspore and the mother cell?
What characteristic of the spore wall can be used to identify different plant species?
What characteristic of the spore wall can be used to identify different plant species?
Flashcards
Pollen Grain Development
Pollen Grain Development
The process of developing a male gametophyte within a pollen grain.
Anther
Anther
The male reproductive structure in flowering plants.
Microsporangia (Pollen Sacs)
Microsporangia (Pollen Sacs)
The four compartments within an anther that contain pollen sacs.
Microsporocysts
Microsporocysts
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Microspores
Microspores
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Microspore Development
Microspore Development
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Tube Cell
Tube Cell
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Generative Cell
Generative Cell
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Spore Wall
Spore Wall
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Species-Specific Pattern
Species-Specific Pattern
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Study Notes
Male Gametophyte Development in Pollen Grains
- Pollen grains form in anthers.
- Each anther has 4 microsporangia (pollen sacs).
- Microsporocytes (diploid cells) are within the microsporangia.
- Microsporocytes undergo meiosis producing 4 haploid microspores.
- Microspores undergo mitosis to create a haploid male gametophyte.
This gametophyte consists of 2 cells: a generative cell and a tube cell.
- The spore wall, from both the microsporangia and anther, has a unique species-specific pattern.
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Description
Explore the intricate process of male gametophyte development within pollen grains! This quiz delves into the formation of pollen in anthers, the role of microsporocytes, and the transition from microspores to male gametophytes. Test your understanding of this vital aspect of plant reproduction.
