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Question
Life cycle of Ectocarpus and Fucus respectively are:
Life cycle of Ectocarpus and Fucus respectively are:
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Solution
The correct option is B Haplo-diplontic, Diplontic
During the life cycle of any sexually reproducing plant, there is alternation of generations between gamete producing haploid gametophyte and spore producing diploid sporophyte.
The various patterns of life cycles in plants include haplontic, diplontic and haplo-diplontic.
Ectocarpus, a brown alga, exhibits a haplo-diplontic life cycle.
In the haplo-diplontic life cycle, the diploid sporophytic body alternates with haploid gametophyte. Both the phases are equally prevalent during the life cycle.
Fucus, a brown alga, exhibits a diplontic life cycle.
In the diplontic life cycle, the diploid sporophytic body is predominant and alternates with a very short haploid gametophytic phase.
During the life cycle of any sexually reproducing plant, there is alternation of generations between gamete producing haploid gametophyte and spore producing diploid sporophyte.
The various patterns of life cycles in plants include haplontic, diplontic and haplo-diplontic.
Ectocarpus, a brown alga, exhibits a haplo-diplontic life cycle.
In the haplo-diplontic life cycle, the diploid sporophytic body alternates with haploid gametophyte. Both the phases are equally prevalent during the life cycle.
Fucus, a brown alga, exhibits a diplontic life cycle.
In the diplontic life cycle, the diploid sporophytic body is predominant and alternates with a very short haploid gametophytic phase.
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