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    in the figure above, assume that the two medusae shown at step 4 were produced by one polyp colony. use your understanding of mitosis and meiosis to select which of the following is true.

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    get in the figure above, assume that the two medusae shown at step 4 were produced by one polyp colony. use your understanding of mitosis and meiosis to select which of the following is true. from EN Bilgi.

    Q33

    FREE SOLUTION: Q33-6TYU. In Figure 33.8, assume that the two medusae shown at... ✓ step by step explanations ✓ answered by teachers ✓ StudySmarter Original!

    Short Answer

    Short Answer In Figure 33.8, assume that the two medusae shown at step 4 were produced by one polyp colony. Review Concept 12.1 and Concept 13.3, and then use your understanding of mitosis and meiosis to evaluate whether the following sentence is true or false; if false, select the answer that provides the correct reason. Although the two medusae are genetically identical, a sperm produced by one will differ genetically from an egg produced by the other. (A) False (both the medusae and the gametes are genetically identical) (B) False (neither the medusae nor the gametes are genetically identical) (C) False (the medusae are not identical but the gametes are) (D) True

    (A) The option “false (both the medusae and the gametes are genetically identical)” is incorrect.

    (B) The option “false (neither the medusa nor the gametes are genetically identical)” is incorrect.

    (C) The option “false (the medusa are not identical, but the gametes are)” is incorrect.

    (D) The option “True” is correct.

    See the step by step solution

    Step by Step Solution

    TABLE OF CONTENTS

    Step 1: Polyp and medusa

    Polyp and medusa are two phases observed during the life cycle of organisms that belong to the phylum Cnidaria. During the polyp stage, the organism remains attached to the substratum, while during the medusa stage, they become free-living. They possess tentacles that enable movement.

    Step 2: Explanation of option ‘(A)’

    The medusae produced from a single polyp are genetically alike as they are produced via asexual reproduction, which involves mitosis. However, they do not have identical gametes. This is because gametes are produced through meiosis, in which crossing over takes place. This process involves reduction division.

    Thus, the gametes produced by the two medusae are not identical.

    Therefore, the given option is incorrect.

    Step 3: Explanation of option ‘(B)’

    Medusae that are produced from the polyp are genetically similar because they are formed through mitotic division. They have an equal share of chromosomes that are identical to the parent. However, the gametes are not genetically identical.

    Thus, the medusae produced by the polyp are identical.

    Therefore, the given option is incorrect.

    Step 4: Explanation of option ‘(C)’

    The gametes that are produced by the medusae occur through meiotic division. This is because gametes have to fuse to produce a diploid zygote. In this case, the gametes that arose from the meiotic division are non-identical even though the medusa produced through mitosis are identical.

    Thus, the gametes produced by the medusae are not identical.

    Therefore, the given option is incorrect.

    Step 5: Explanation of option ‘(D)’

    During the polyp stage of Cnidarians, they give rise to offspring through asexual reproduction in which mitotic division occurs. Due to this, the polyps that arise are often genetically identical. However, the gametes produced by these polyps are often non-identical as gamete formation involves meiotic division in which recombination occurs.

    Thus, the gametes produced by the medusae are not identical; however, the medusae are identical.

    Therefore, the given option is correct.

    Source : www.studysmarter.us

    Ch 33: An Introduction to Invertebrates Flashcards

    Start studying Ch 33: An Introduction to Invertebrates. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

    Ch 33: An Introduction to Invertebrates

    A land snail, a clam, and an octopus all share

    a. a mantle. b. a radula. c. gills.

    d. distinct cephalization.

    Click card to see definition 👆

    a

    Click again to see term 👆

    Which phylum is characterized by animals that have a segmented body?

    a. Cnidaria b. Platyhelminthes c. Arthropoda d. Mollusca

    Click card to see definition 👆

    c

    Click again to see term 👆

    1/6 Created by e_gremett

    Terms in this set (6)

    A land snail, a clam, and an octopus all share

    a. a mantle. b. a radula. c. gills.

    d. distinct cephalization.

    a

    Which phylum is characterized by animals that have a segmented body?

    a. Cnidaria b. Platyhelminthes c. Arthropoda d. Mollusca c

    The water vascular system of echinoderms

    a. functions as a circulatory system that distributes nutrients to body cells.

    b. functions in locomotion and feeding.

    c. is bilateral in organization, even though the adult animal is not bilaterally symmetrical.

    d. moves water through the animal's body during filter feeding.

    b

    Which of the following combinations of phylum and descriptions is INCORRECT?

    a. Echinodermata- bilateral symmetry as a larva, coelomate

    b. Nematoda- roundworms, pseudocoelomate

    c. Platyhelminthes- flatworms, gastrovascular cavity, acoelomate

    d. Porifera- gastrovascular cavity, coelomate

    d

    In Figure 33.2, which two main clades branch from the most recent common ancestor of the eumetazoans?

    a. Porifera and Cnidaria

    b. Lophotrochozoa and Ecdysozoa

    c. Cnidaria and Bilateria

    d. Deuterostomia and Bilateria

    c

    In Figure 33.8, assume that the two medusae shown at step 4 were produced by one polyp colony. Review Concept 12.1 and Concept 13.3, and then use your understanding of mitosis and meiosis to evaluate whether the following sentence is true or false. If false, select the answer that provides the correct reason. Although the two medusae are genetically identical, a sperm produced by one will differ genetically from an egg produced by the other.

    a. F (both the medusae and the gametes are genetically identical)

    b. F (neither the medusae nor the gametes are genetically identical)

    c. F (the medusae are not identical but the gametes are)

    d. T d

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    Solved In Figure 33.8, assume that the two medusae shown at

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    Question: In Figure 33.8, Assume That The Two Medusae Shown At Step 4 Were Produced By One Polyp Colony. Review Concept 12.1 And Concept 13.3, And Then Use Your Understanding Of Mitosis And Meiosis To Evaluate Whether The Following Sentence Is True Or False; If False, Select The Answer That Provides The Correct Reason. Although The Two Medusae Are Genetically

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    The medusae are produced by budding, an asexual mode of reproduction. In this process, the new individuals split off from the parents and grow as independent…

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    Transcribed image text: In Figure 33.8, assume that the two medusae shown at step 4 were produced by one polyp colony. Review Concept 12.1 and Concept 13.3, and then use your understanding of mitosis and meiosis to evaluate whether the following sentence is true or false; if false, select the answer that provides the correct reason. Although the two medusae are genetically identical, a sperm produced by one will differ genetically from an egg produced by the other. Other polyps, specialized for reproduction, lack tentacles and produce tiny medusae by asexual budding Medusae swim oft, grow, and reproduce sexually Some of the colony's polyps, equipped with tentacles, are specialized for feeding Reproductive polyp feeding polye Medusa bod MEIOSIS Gonad A colony of interconnected polyps (inset LM) results from asexual reproduction by budding Medusa SEXUAL REPRODUCTION E90 Sperm ASEXUAL REPRODUCTION (BUDDING) Portion of a colony of polyps FERTIUZATION Zygote Developing polyp Planula (arva) Mature polyp Key The planula eventually settles and develops into a new polyp. The zygote develops into a solid ciliated larva called a planula Haploid) Diploid (2) False (both the medusae and the gametes are genetically identical) False (neither the medusae nor the gametes are genetically identical) False (the medusae are not identical but the gametes are) O True

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