What are the common features between gamete, spores and gametophyte generation?
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Plants have an alternation of generations (also called sporic) life cycle: The multicellular haploid generation is called the Plants have an alternation of generations (also called sporic) life cycle: The multicellular diploid generation is called the The sporophyte produces haploid The gametophyte produces haploid In plants, gametes are produced by (type of cell division) In plants, spores are produced by (type of cell division) When the sperm and egg fuse, a diploid is produced.
Sri K.
3) Alternation of Generations e.g. plants, algae alternate between multicellular haploid and diploid stages Sporophyte - multicellular diploid stage Meiosis → haploid spores Mitosis → Gametophyte - multicellular haploid stage Mitosis → haploid gametes Fertilization → diploid zygote Mitosis → sporophyte
In the plant life cycle, the generation produces haploid spores via meiosis. The spores germinate and divide to produce haploid gametes. In sporophytes, special regions termed gametangia produce gametes. In gametophytes, special regions produce spores. In homosporous plants, the gametangia are antheridia and archegonia. Antheridia will release cells called sperm, while archegonia will contain cells called eggs.
Sukhwinder N.
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