in biology, the alternation of a sexual phase and an asexual phase in the life cycle of an organism. The two phases, or generations, are often ... [11 related articles]
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Many plants have two distinct phases in their life cycles. The gametophyte which produces the haploid male and female gametes; and the sporophyte which produces diploid spores. During the course of evolution there has been a gradual shift from the gametophyte being the dominant form, i.e., the plane...
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The occurrence in one life history of two or more different forms differently produced, usually an alternation of a sexual with an asexual form. ... (09 Oct 1997) ...
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Type: Term Definitions: 1. a succession of generations of individuals like and unlike the original parents, or an alternation of sexual and nonsexual generations.
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Life cycle in which haploid and diploid generations alternate with each other.
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http://www.ucmp.berkeley.edu/glossary/gloss8botany.html
Life cycle in which haploid and diploid generations alternate with each other.
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http://www.ucmp.berkeley.edu/glossary/glossary_8.html
[
n] - the alternation of two or more different forms in the life cycle of a plant or animal
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heterogenesis noun the alternation of two or more different forms in the life cycle of a plant or animal
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Typical life cycle of terrestrial plants and some seaweeds, in which there are two distinct forms occurring alternately: diploid (having two sets of chromosomes) and haploid (one set of chromosomes). The diploid generation produces haploid spores by meiosis, and is called the sporophyte, while the haploid generation produces gametes (sex cells)...
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Describes the phenomenon in the plant kingdom in which plants alternate between a sporophyte phase and a gametophyte phase.
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https://www.encyclo.co.uk/local/22581
the alternation in an organism's life cycle of dissimilar reproductive forms, esp. the alternation of sexual with asexual reproduction.
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https://www.infoplease.com/dictionary/alternation-of-generations
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