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Both antheridia and archegonia are on the same gametophyte. Is the gameto-phyte dioecious or monoecious?
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- is the mature sargassum haploid or diploid? please explainIs the mature Sargassum haploid or diploid?What is the shape of the ascocarp in Figure 4.9. What is the shape of the ascus in Figure 4.10. Are ascopores haploid or diploid? Deduce the function of paraphyses. Are the individuals germinating from ascospores haploid or diploid?
- What are the distinguishing features of the sexual and asexual phases for Chlamydomonas? What is the term for the type of syngamy (cell fusion) that occurs between gametes of this Genus? Why? O words p.What are the distinguishing features of the sexual and asexual phases for Chlamydomonas? What is the term for the type of syngamy (cell fusion) that occurs between gametes of this Genus? Why? MacBook Pro %24 4 %23 3 5 6 W E R T F G H K C V MFigure 24.14 Which of the following statements is true? A dikaryotic ascus that forms in the ascocarp undergoes karyogamy, meiosis, and mitosis to form eight ascospores. A diploid ascus that forms in the ascocarp undergoes karyogamy, meiosiis, and mitosis to form eight ascospores. A haploid zygote that forms in the ascocarp undergoes karyogamy, meiosiis, and mitosis to form eight ascospores. A dikaryotic ascus that forms in the ascocarp undergoes plasmogamy, meiosis, and mitosis to form eight ascospores.
- Fungi can propagate themselves successfully with their millions of asexual spores. That being the case,why is the production of sexual spores necessary?Marchantia is specifically considered a Liverwort, which are classified under the larger group known as [A]. The structures in the pictures are gametophytes. Provide the sex and specific term used to describe the structure on the left side [B] and on the right side is a/an [C].The life cycle of Funaria is called diplo-haplontic. Give reason.
- What is the ploidy level of the gametophyte generation in the Cycadophyta? O haploid (1n) diploid (1n) triploid (3n) O diploid (2n)When the Ascomycetes fungus reproduces sexually, mating type A fungi cross fertilize mating type a fungi. The resulting zygotes undergo meiotic and then mitotic division to produce asci with eight ascospores. The ascospores in the asci are ordered and reflect the position of the parental nuclei in the zygote. Use the passage to answer the question. How is the life cycle of Ascomycetes different from that of humans? A. Haploid cells undergo meiosis. B. Haploid cells undergo mitosis. C. Diploid cells undergo meiosis. D. Diploid cells undergo mitosis.In embryophytes, especially spermatophya, what is the difference between a "sporocyte" (e.g., megasporocyte) and the actual spore (e.g., megaspore)? a) Meiosis: Megasporocyte is still diploid, megaspore haploid b) Mitosis, number of nuclei: Megaspore has eight cell nuclei, megasporocyte only one c) Cytokinesis: Megasporocyte has only one cell, Megaspore can have several (as endosporic gametophyte). d) None: the two terms are synonymous. e) Meiosis: Megaspore is still diploid, megasporocyte haploid