It is thus that same zygotic cell that later undergoes meiosis. Ø Haploid gametophytic phase in the life cycle is represented only by gametes. For organisms with a haplontic life cycle, such as fungi and some of the green algae, the multicellular stage is haploid.In this case, as soon as the diploid zygote is formed, it undergoes meiosis to produce haploid spores inside structures called sporangia (sporangium, singular). Both bryophytes and pteridophytes exhibit this kind of life cycle pattern. Structure and life cycle of Ectocarpus Ms. Inderveena Sharma H.O.D. View All. This pigment is called after the alga Fucus (Bladder wrack; see here above), which is also abundant at the Dutch coast. Life cycle of Ectocarpus and Fucus respectively are (1) Haplontic, Diplontic (2) Diplontic, Haplodiplontic (3) Haplodiplontic, Diplontic (4) Haplodiplontic, Haplontic All pteridophytes exhibit this pattern (Figure 3.7 c). After fertilization a zygote is formed: this cell is the only diploid cell in the entire life cycle. Diplohaplontic Life Cycle 4. Haplontic Life Cycle . The haplontic life forms produce the gametes through mitosis. The life cycle occurs in ectocarpus is (a) haplontic (b) haplodiplontic (c) diplontic (d) none of the above Answer: (b) haplodiplontic. In these groups, a multicellular haploid gametophyte with n chromosomes alternates with a multicellular diploid sporophyte with 2n chromosomes, made up of n pairs. This phenomenon could be explained with sporic meiosis – the process of formation of spores. The gametophytic plant develops hap­loid gametes in the gametangium. In this process, the zygote mitotically divides and produces multicellular sporophyte which is diploid (2n). A sexual life cycle involves alternating fertilization and meiosis events, resulting in alternating haploid and diploid phases Animals have a diplontic life cycle; fungi have a haplontic life cycle; plants have multicellular diploid and haploid forms 111. NEET 2017: Life cycle of Ectocarpus and Fucus respectively are: (A) Diplontic, Haplodiplontic (B) Haplodiplontic, Diplontic (C) Haplodiplontic, Haplon Life cycles of Ectocarpus and Fucus respectively are (A) Diplontic, haplodiplontic (B) Haplodiplontic, diplontic (C) Haplodiplontic, haplontic (D) Haplontic, diplontic. Both Ectocarpus sexual and asexual life cycles are displayed. answer Ans [B] Ectocarpus possesses haplodiplontic whereas Fucus possesses diplontic life cycle. Ectocarpus carver and Ectocarpus spongiosus are free- floating. Life cycel of Ectocarpus and Fucus respectively are 1) haplontic, diplontic 2) diplontic, haplodiplontic 3) haplodiplontic, diplontic 4) haplodiplontic, haplontic what is traeculae and also tell modification of trabeculae in sellaginella in detail This can result in the formation of single haploid cells or a multicellular haploid organism. Life cycle of Ectocarpus and Fucus respectively are (1) Haplontic, Diplontic (2) Diplontic, Haplodiplontic (3) Haplodiplontic, Diplontic (4) Haplodiplontic, Haplontic. These cells divide mitotically to form either larger, multicellular individuals, or more haploid cells. Botany Department A haploid life cycle is found in most fungi and in … So the correct option is D. Answered By . Oedogonium Life Cycle Sciencing. A life cycle is a period involving 1 generation of an organism through means of reproduction, whether through asexual reproduction or sexual reproduction.In regard to its ploidy, there are 3 types of cycles: . Pattern # 1. 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