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Concept explainers
(A)
To identify:
Whether sporophyte is haploid or diploid structure.
Introduction:
The haploid structures are those that contain‘n’ set of chromosome and the diploid structures are those which contain ‘2n’ set of chromosome.
(B)
To identify:
Whether spore is haploid or diploid structure.
Introduction:
The haploid structures are those that contain‘n’ set of chromosome and the diploid structures are those which contain ‘2n’ set of chromosome.
(C)
To identify:
Whether gametophyte is haploid or diploid structure.
Introduction:
The haploid structures are those that contain‘n’ set of chromosome and the diploid structures are those which contain ‘2n’ set of chromosome.
(D)
To identify:
Whether zygote is haploid or diploid structure.
Introduction:
The haploid structures are those that contain‘n’ set of chromosome and the diploid structures are those which contain ‘2n’ set of chromosome.
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Chapter 26 Solutions
Campbell Biology In Focus
- 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].arrow_forwardFungi would best be described as having which of the following life cycles? A. diploid-dominant B. alternation of generations C. gametophyte dominant D. haploid-dominantarrow_forwardIn 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 haploidarrow_forward
- What is a sporophyte? A diploid plant that undergoes meiosis A haploid plant that produces gametes via meiosis A diploid plant that produces gametes via mitosis A haploid plant that undergoes mitosisarrow_forwardA B C D G E F H a) On the diagram, which labeled structure represents the mature male gametophyte? I b) Which labeled structure represents the female megasporangium, prior to the production of spores? c) On the diagram, which labeled structure represents the immature male gametophyte? F d) Which labeled structure represents the mature female gametophyte? Jarrow_forwardWhat is the ploidy of two daughters of a dividing cell of a hornwort’s gametophyte? Select one: a. aploid b. diploid c. none of these choices d. haploid e. triploid f. tetraploidarrow_forward
- Give the PLOIDY of the following (ex: haploid, diploid, etc…)1. oospore2. prothallus 3. androcyte4. archegonium5. endosperm6. microsporocyte7. antherozoids 8. oosphere9. megaspore10. protenemaarrow_forwardThe megaspore in most flowering plants grows into a megagametophyte that has seven cells and eight nuclei. Name and describe the seven cells.arrow_forwardWith a neat diagram explain the 7-celled, 8-nucleate nature of the femalegametophytearrow_forward
- What is the ploidy of the most conspicuous form of most fungi? a. diploid b. haploid c. alternation of generations d. asexualarrow_forwardWhat would happen if the megaspore itself functioned as an egg and did not go on to produce other nuclei in a female gametophyte?arrow_forwardWhich of the following lettered structures is the female gametophyte?arrow_forward
- Biology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
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