Alternation of Generations Spore formation Sporangia Haploid form Place the letter in the appropriate blank A. Archegonia B. Gametophyte C. Fertilization D. Structures for spore production E. Antheridia F. Meiosis G. Sporophyte H. Mitosis Eggs Diploid form Gamete formation Sperm Gamete fusion
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- Cells that are ________ possess a single set of chromosomes diploid haploid somatic zygotesIn the moss Polytrichum commune, the haploidchromosome number is 7. A haploid male gametefuses with a haploid female gamete to form a diploid cell that divides and develops into the multicellular sporophyte. Cells of the sporophyte thenundergo meiosis to produce haploid cells calledspores. What is the probability that an individualspore will contain a set of chromosomes all ofwhich came from the male gamete?Some plants and algae alternate between haploid and diploid generations. Match the ploidy to each stage. Macmillan Learnin Mitosis Fertilization Mitosis Gametophyte Sporophyte Meiosis Mitosis n Answer Bank 2n EC Exp Fir Que
- IDENTIFICATION. identily the folowing statements with a conect arewer. 1. Plants trat produce seeds enclosed in an ovary that eventually develops into seeds. 2ba nonvascular plont that grows ciose to the ground. 3. Plants that bear naked seeds A Hiratype of anthophytes plant with two seean leat in ther seedi. S. Plants that produce fower as their means of reproduction 6. It is the capocity to do work. 7. the most abundant gas in earth's atmosphere. 8. The second most abundant gas in earth's atmosphere. 9, tis the loss of the soils blological productivity due to poor Agricultural practices and industrialzation. 10.it pertains to the roie the organtms play in their respective habitats. MATCHING TYPE. Match the following terms in column with their conesponding defiritions in column A. Write the letter of your answer on the space provided Column A. Rectum Column A 11. largest organ in the body 12. a pear-shaped organ 13. a long coled tube that tils the abdomen 14. the exll point for fecal…In organisms that undergo alternation of generations, the gametophyte ______. Group of answer choices is diploid produces spores is the product of fertilization when gametes fuse is never dominant produces sperm and/or eggsfern nrothalli.... antheridia and archegonia. Student Preparation Read text Chapter 16, pages 366-390. Figure 1: Alternation of Generations Mitosis Spores 60 - + - + Meiosis One cell from Sporophyte undergoes meiosis Gametophytes Haploid multicellular individuals 1n 2n saldy Quisetum, and at least one fern - Gamete + Gamete Fertilization Sporophyte Diploid multicellular individual 1. Are these thalli the gametopytes or sporophytes?_ 2. Are the thalli haploid or diploid? Mitosis Exercise I Marchantiophyta: The Liverworts Examine with the dissecting microscope the thalli of the relatively large, dichotomously branching gametophytes of Marchantia 3. Are any gemma cups containing gemmae present on your plant? 4. What is the function of gemmae?. 78 Zygote Examine carefully with the dissecting microscope the additional liverworts that are available. Note the dichotomous branching, the midrib-like region, and the air pores on the upper (dorsal) surface. 5. How is dichotomous branching…
- illustration of the stages of meiosis of ascaris lumbricoidesWhich term describes chromosomes whose centromeres are located at the end of the chremosome? Humans have no none of these. Ometacentric O acrocentric O telorentric O helacentricWhen 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
- Alternation of generations describes which of the following? The haploid form can be multicellular; the diploid form is unicellular The haploid form is unicellular; the diploid form can be multicellular Both the haploid and diploid forms can be multicellular Neither the haploid nor the diploid forms can be multicellular.Figure 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.Figure 23.25 Which of the following statements about Paramecium sexual reproduction is false? The macronuclei are derived from micronuclei. Both mitosis and meiosis occur during sexual reproduction. The conjugate pair swaps macronuclei. Each parent produces four daughter cells