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- What is the ploidy of the zygote during the life cycle of Toxoplasma gondii? Select one: a. 1n b. 3n c. 4n d. 2nWhat is the ploidy of the most conspicuous form of most fungi? a. diploid b. haploid c. alternation of generations d. asexualExplain the different types of gametes present in each group. Gametes are Swimming gametes > Group Chytrids Zygosporangia > Group Zygomycetes Basidia > Group Basydiomycota Asci > Group Ascomycota
- In Allomyces arbuscula, zoosporangium produce haploid zoospores by meiosis. True False Which of the following is a true statement about gametes?Describe monobiontic and dibiontic life cycles. Be careful to mention all possible types. What is the difference between a spore and a gamete? What is the difference between a spore and a zygote?The life cycle of Funaria is called diplo-haplontic. Give reason.
- 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 haploidWhat 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.When pools containing Chlamydomonas begin to dry,A. diploid cells fuse to become zygotesB. haploid cells encystC. haploid cells undergo syngamyD. haploid cells undergo meiosis In Ulva, gametes and zoospores differA. in the number of flagellaB. in whether or not they must fuse to continue growthC. in the number of chromosomes of the parentD. all of the above
- Both antheridia and archegonia are on the same gametophyte. Is the gameto-phyte dioecious or monoecious?Give the PLOIDY of the following (ex: haploid, diploid, etc…)1. oospore2. prothallus 3. androcyte4. archegonium5. endosperm6. microsporocyte7. antherozoids 8. oosphere9. megaspore10. protenemaidentify the following:1. The sexual fruiting body in the genus Coprinus.2. The specific layer of the lichen body or thallus that is photosynthetic in function.3. A club shaped structure that directly produce haploid spores in the Coprinus sp.