Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 13, Problem 7TYK
In most
- a. Gametes are formed by meiosis.
- b. The organism is haploid and may be multicellular or unicellular.
- c. the gametophyte generation produces gametes by mitosis.
- d. Reproduction is exclusively asexual.
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Dikaryotic cells
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have two hyphae per fruiting body
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contain pairs of homologous chromosomes
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Chapter 13 Solutions
Study Guide for Campbell Biology
Ch. 13 - a. How many chromosomes are there in the somatic...Ch. 13 - Prob. 2IQCh. 13 - The following diagrams represent some of the...Ch. 13 - a. How many different assortments of maternal and...Ch. 13 - Label the following diagram to review the terms...Ch. 13 - Describe the key events of the following stages of...Ch. 13 - Create a concept map to help you organize your...Ch. 13 - What does meiosis do? a. It produces haploid cells...Ch. 13 - Asexual reproduction of a diploid organism a. is...Ch. 13 - Homologous chromosomes a. have identical DNA...
Ch. 13 - Which of the following represents a clone? a. a...Ch. 13 - What is a karyotype? a. a genotype of an...Ch. 13 - A reduction in the number of chromosomes per cell...Ch. 13 - In most fungi and some protists, a. Gametes are...Ch. 13 - In the alternation of generations found in plants,...Ch. 13 - A synaptonemal complex would be found during a....Ch. 13 - During meiosis I, a. Homologous chromosomes...Ch. 13 - Compared with one of the four cells produced by...Ch. 13 - Meiosis II is similar to mitosis because a. sister...Ch. 13 - The Texan nine-banded armadillo (Dasypus...Ch. 13 - Which of the following is a key difference between...Ch. 13 - Which of the following is not true of homologous...Ch. 13 - Which of the following statements is not true? a....Ch. 13 - In a species with a diploid number of 6, how many...Ch. 13 - In a sexually reproducing species with a diploid...Ch. 13 - The calculation of offspring in question 18...Ch. 13 - Prob. 20TYKCh. 13 - Which of the following statements describes why or...Ch. 13 - What is the evolutionary significance of bdelloid...
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- Which is NOT an advantage of the dikaryotic stage in fungi?  A. it generate genetic variation  B. it increases the chances of the fungi of surviving and reproducing  C. it allows the fungi to complete reproduction when conditions are appropriatearrow_forwardThe life cycles of perfect fungi are most similar to which other organism? a. Hydra that undergo asexual budding b. Diploid-dominant pea plants c. Haploid-dominant green algae d. Bacteria undergoing binary fissionarrow_forwardAlthough ascospores are produced by mitotic division, none of the spores develop into fungi that are identical to either parental hyphae. What is the BEST explanation for this observation?  A. The spores inherit half their genes from each parent.  B. The spores inherit haploid nuclei from their parents.  C. The spores inherit mutations as a result of meiosis.  D. The spores inherit mutations as a result of mitosis. Photo Attatchedarrow_forward
- What is the ploidy of the most conspicuous form of most fungi? a. diploid b. haploid c. alternation of generations d. asexualarrow_forwardHow is the life cycle of Ascomycetes different from that of humans?  A. Haploid cells undergo meiosis.  B. Haploid cells undergo mitosis.  C. Diploid cells undergo meiosis.  D. Diploid cells undergo mitosis.arrow_forwardA. An embryo sac (ovule) contains eight haploid nuclei.B. Three nuclei become three synergids, 2 polar nuclei, 3 antipodal nuclei. A.If statement A is wrong and B is correct. B.If both statements are wrong. C.If both statements are correct. D.If statement A is correct and B is wrong.arrow_forward
- In a life cycle with alternation of generations, multicellularhaploid forms alternate with(A) unicellular haploid forms.(B) unicellular diploid forms.(C) multicellular haploid forms.(D) multicellular diploid forms.arrow_forwardWhen fungal hyphae meet in sexual mating, they first fuse their cytoplasms, and then later undergo  a. Plasmogamy b. Karyogamy c. Cytogamy d. Ribosogamy e. Chomosogamyarrow_forwardA dikaryotic cell develops into a zygote whena. mitosis divides the two nuclei into separate cells, which thencombine at fertilization.b. mitosis occurs without cytokinesis.c. the two haploid nuclei within the cell fuse.d. meiosis occurs once and cytokinesis occurs twice.arrow_forward
- What are Deuteromycota? A. They have no known asexual stage. B. They include fungi that reproduce by conjugation. C. They have many members that appear to be related to the ascomycetes because of their conidia. D. They include Penicillium and yeast.arrow_forwardSome fungi can be viewed as coenocytic organisms that exhibit little differentiation. When differentiation does occur, such as in the formation of reproductive structures, it is preceded by septum formation. Why does this occur?arrow_forwardIf the spores of a fungus are haploid and divide to form the hyphae by mitosis, then what are the cells of the hyphae (haploid, diploid, tripled) ?arrow_forward
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