Campbell Biology (11th Edition)
11th Edition
ISBN: 9780134093413
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 33, Problem 6TYU
MAKE CONNECTIONS In Figure 33.8, assume that the two medusae shown ai step 4 were produced by one polyp colony. Review Concept 12.1 and Concept 13.3, and then use your understandingof mitosisand meiosis to evaluate whether the following sentence is Irue oi false; if false, seiet t the am wer that providcs the correct reason. Although the two medusae are genetically identical, a sperm produced by one will differ genetically front 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
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Chapter 33 Solutions
Campbell Biology (11th Edition)
Ch. 33.1 - Prob. 1CCCh. 33.1 - Prob. 2CCCh. 33.2 - Compare and contrast the polyp and medusa forms of...Ch. 33.2 - VISUAL SKILLS Use the cnidarian life cycle...Ch. 33.2 - MAKE CONNECTIONS Many new animal body plans...Ch. 33.3 - Prob. 1CCCh. 33.3 - Prob. 2CCCh. 33.3 - MAKE CONNECTIONS Explain how the molluscan foot...Ch. 33.4 - Prob. 1CCCh. 33.4 - Describe two adaptations that have enabled insects...
Ch. 33.4 - MAKE CONNECTIONS Historically, annelids and...Ch. 33.5 - Prob. 1CCCh. 33.5 - WHAT IF? The insect Drosophila melanogaster and...Ch. 33.5 - MAKE CONNECTIONS Describe how the features and...Ch. 33 - Lacking tissues and organs, how do soonges...Ch. 33 - Describe the cnidarian body plan and its two major...Ch. 33 - is the lophotrochozoan clade united by unique...Ch. 33 - Describe some ecological roles of nematodes and...Ch. 33 - You've read that echinoderms and chordates are...Ch. 33 - A land snail, a clam and an octopus all share...Ch. 33 - Prob. 2TYUCh. 33 - The water vascular system of echinoderms (A)...Ch. 33 - Prob. 4TYUCh. 33 - In Figure 33.2, which two main clades branch from...Ch. 33 - MAKE CONNECTIONS In Figure 33.8, assume that the...Ch. 33 - Evolution connection Interpret thf data Draw a...Ch. 33 - Prob. 8TYUCh. 33 - Prob. 9TYUCh. 33 - SYNTHESIZE YOUR KNOWLEDGE Colleclively, do these...
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- Given that the first division of the zygote divides the embryo into the future right and left halves of the butterfly, complete a hypothesis that explains how nondisjunction during the first mitosis might have produced this unusual-looking butterfly. Match the terms In the left column to the approprlate blanks In the sentences on the right. Not all terms will be used. Reset Help female The zygote has the genotype. If nondisjunction occurs during the first mitosis the left cell will have the genotype and develops to the half. The right half. daughter cell will have the genotype and develops to the XXXX XX male XXX XYarrow_forwardFill in the blanks *Items (1) to (23)arrow_forwardWhat is the corect order of these meiotic events? A Segregation of homologous chromosomes to opposite poles 8 Segregation of sister chromatids to opponite poles. CAignment of homologous pairs on the midplate of thve cell. D Pairing and synapsis of homologous chromosomes. E Condensation of chromosomes in a diploid nucleus. CDEAB O DCERA O EDCBA O EDCAB O DCAREarrow_forward
- Plz asaparrow_forwardSome organisms—for example, certain fungi—reproduce asexually when the environment is favorable and sexually when the environment becomesunfavorable. What might be the evolutionary advantage of sexual reproduction with the associated process of meiosis during unfavorable conditions?arrow_forwardit is possible that an alternative mechanism for generating germ cells could have evolved. consider meiosis in a germ cell precursor. if the S shape were skipped, whic meiotic devision would no longer be required.arrow_forward
- Which of these are true statements about meiosis? Select all that apply O It results in cells that are genetically identical to the original cell It results in cells that are genetically different from each other and the original cell O It produces cells needed for sexual reproduction O It is the process by which multicellular organisms grow and develop O It produces cells with half as many chromosomes as the original cellarrow_forwardStarting with One Cell describe and draw step by step the process of Meiosis I in males and females (theyhave different end results). How many viable cells are there for the male and for the female.at the end ofMeiosis I?arrow_forwardAt the end of mitosis in Aedes aegypti, each of the daughter cells will have chromosomes; however, at the end of meiosis, each daughter cell will end up with chromosomes.arrow_forward
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