Scelta multipla
Which of the following terms can be used to describe an organism that contained either male or female sex organs, but not both.
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9. Mitosis and Meiosis
Development of Plant Gametes
Scelta multipla
In the alternations of generations life cycle, which cellular division process is used to create gametes?
A
Meiosis
B
Mitosis
Guida verificata passo dopo passo1
Understand the concept of alternation of generations, which is a life cycle that alternates between a multicellular haploid phase (gametophyte) and a multicellular diploid phase (sporophyte).
Recognize that in the alternation of generations, the gametophyte is the haploid phase that produces gametes.
Recall that gametes are haploid cells, meaning they contain a single set of chromosomes.
Identify that in the gametophyte phase, gametes are produced through mitosis, not meiosis, because the gametophyte is already haploid and mitosis maintains the chromosome number.
Differentiate this from the sporophyte phase, where meiosis occurs to produce haploid spores from a diploid organism, which then grow into the gametophyte.
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