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A multicellular, filamentous alga exhibits a type of sexual life cycle in which the meiotic division occurs after the formation of zygote. The adult filament of this alga has
a. haploid vegetative cells and diploid gametangia
b. diploid vegetative cells and diploid gametangia
c. diploid vegetative cells and haploid gametangia
d. haploid vegetative cells and haploid gametangia
Answers (1)
The answer is the option (d)
Explanation: Many Algae exhibit haplontic life cycle, where the dominant phase is free-living gametophyte. Sporophytic generation is represented by single-celled
zygote. Meiosis leads to the formation of haploid spores eg- Spirogyra and Chlamydomonas.
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