CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
12th Edition
ISBN: 9780136920335
Author: Urry
Publisher: PEARSON
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Chapter 13, Problem 13.4CR
Summary Introduction
To review: The three processes of sexual reproduction which generate
Introduction:
During sexual reproduction, most of the variation arises at fertilization and meiosis. There are three processes that contribute to it: independent assortment of chromosomes, crossing over, and random fertilization.
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Explain two potential costs and two evolutionary benefits of Sexual Reproduction.
Describe the main differences between asexual and sexual reproduction. Why are both types of reproduction common?
Describe three ways variation can be introduced into offspring produced by sexual reproduction.
Chapter 13 Solutions
CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
Ch. 13.1 - MAKE CONNECTIONS Using what you know of gene...Ch. 13.1 - Prob. 2CCCh. 13.1 - WHATIF? A horticulturalist breeds orchids, trying...Ch. 13.2 - MAKE CONNECTIONS In Figure 13.4. how many DNA...Ch. 13.2 - VISUAL SKILLS In The karyotype shown in Figuro...Ch. 13.2 - Prob. 3CCCh. 13.2 - WHAT IF? A certain eukaryote lives as a...Ch. 13.3 - MAKE CONNECTIONS Comparc tho chromosomes in a...Ch. 13.3 - WHAT IF? After the synaptonemal complex...Ch. 13.4 - What is the original source of Variation among the...
Ch. 13.4 - The diploid number for fruit flies is 8, and the...Ch. 13.4 - Prob. 3CCCh. 13 - Explain why human offifuing resemble their parents...Ch. 13 - Prob. 13.2CRCh. 13 - Prob. 13.3CRCh. 13 - Prob. 13.4CRCh. 13 - A human cell containing 22 autosomes.and a Y...Ch. 13 - The two homologs of a pair move toward opposite...Ch. 13 - Meiosis II is similar to mitosis in that (A)...Ch. 13 - Prob. 4TYUCh. 13 - If we continue to follow the cell lineage from...Ch. 13 - DRAW IT The diagram shows a cell in meiosis. (a)...Ch. 13 - Explain how you can tell that the cell in question...Ch. 13 - EVOLUTION CONNECTION Many species can reproduce...Ch. 13 - SCIENTIFIC INQUIRY The diagram in quest ion 6...Ch. 13 - Prob. 10TYUCh. 13 - SYNTHESIZE YOUR KNOWLEDGE For selected answers,...
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- Describe one similarity and one difference between selfing and asexual reproduction.arrow_forwardState the differences between sexual reproduction and asexual reproduction, and discuss the evolutionary advantages and disadvantages of each.arrow_forwardWhat are two processes of sexual reproduction that produce genetic variation?arrow_forward
- What process causes the genetic variation seen in offspring produced by sexual reproduction?arrow_forwardWhich of the following would not be considered a component of sexual reproduction? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer a Production of eges and sperm in separate sexes in an animal species b. Gradual acquisition of multiple mutations in a purely mitotically dividing eukaryotic single celled organism Occasional production of diploids through fusions of cells of opposite mating types in a yeast that largely reproduces through clonal mitotic divisions "Alteration of generations" between haploid and diploid organisms in a fernarrow_forwardWhat is the proposed evolutionary benefit of sexual reproduction?arrow_forward
- Some 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_forwardMention the main difference between the offspring produced by asexual reproduction and progeny produced by sexual reproduction.arrow_forwardOne potential advantage of sexual reproduction is that offspring will have more genetic ______________ compared to offspring produced by asexual reproduction. Group of answer choices A)diversity B)identity C)similarity D)diplomacyarrow_forward
- One of the advantages of sexual reproduction is that it promotes genetic diversity in the offspring. This is because gametes are produced by meiosis, which introduces genetic variation into the resulting gametes. How does meiosis accomplish this? Describe one way (there are several choices) in which meiosis produces new combinations of genes in gametes.arrow_forwardConsidering both asexual and sexual reproduction, does the following statement apply to mitosis only, meiosis only, or both mitosis and meiosis? Mutations that occur during this process would ALWAYS be passed on to the next generation Neither mitosis nor meiosis Both mitosis and meiosis Meiosis only Mitosis onlyarrow_forwardExplain why meiosis is necessary in sexuallyreproducing organisms.arrow_forward
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