BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 12, Problem 8SA
Summary Introduction
Introduction:
Meiosis is an essential process of sexual reproduction because it ensures the organism produced after fertilization of gametes contains the same number of chromosomes as their parents.
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Chapter 12 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 12 - One evolutionary advantage of sexual over asexual...Ch. 12 - Alternative forms of the same gene are called...Ch. 12 - Meiosis is a necessary part of sexual reproduction...Ch. 12 - Meiosis ________. a. occurs only in germ cells of...Ch. 12 - Sexual reproduction in animals requires ________ ....Ch. 12 - Dogs have a diploid chromosome number of 78. How...Ch. 12 - Prob. 7SACh. 12 - Prob. 8SACh. 12 - Crossing over mixes up _______ . a. chromosomes c....Ch. 12 - Crossing over happens during which phase of...
Ch. 12 - _________ contributes to variation in traits among...Ch. 12 - Which of the following is one of the very...Ch. 12 - Match each term with its description....Ch. 12 - In your own words, explain why sexual reproduction...Ch. 12 - Make a simple sketch of meiosis in a diploid germ...Ch. 12 - The diploid chromosome number for the body cells...
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- The individual chromosomes become visible with a light microscope during which stage of mitosis? a. prophase b. prometaphase c. metaphase d. anaphasearrow_forwardWhich eukaryotic cell-cycle event is missing in binary fission? a. cell growth b. DNA duplication c. mitosis d. cytokinesisarrow_forwardChromosomes are duplicated during what portion of the cell cycle? a. G 1 phase b. S phase c. prophase d. prometaphasearrow_forward
- The chromosomes become visible under a light microscope during which stage of mitosis? a. prophase b. prometaphase c. metaphase d. anaphasearrow_forwardWhat is the first thing that happens when a healthy cell detects damage to DNA? A. It stops the cell cycle B. It slows down the process of cell division C. It divides more quickly D. It becomes a benign tumorarrow_forwardIn eukaryotic cells, which occurs during the prophase of mitosis? A. appearance of the nuclear envelope B. breakup of the nuclear envelope C. replication of DNA D. separation of sister chromatids E. duplication of chromatidsarrow_forward
- What kind of cell division takes place in a HeLa cell line grown in a laboratory? Name the cell division phase and write down 2 features of the phase.arrow_forwardWhy is there a need to produce diploid type of cell at the of cell division? a.)So that the cells produced are exact copy of the parent cell b.)So that abnormalities of the cell will be avoided c.)So that the purpose of growth happens in the organism d.)So that the copy of DNA is retainedarrow_forwardDuring which phase of mitosis do the chromatids become chromosomes? A. Prophase B. Telophase C. Cytokinesis D. Metaphasearrow_forward
- There are anticancer that are used to prevent the formation of spindle fibers. Why do you think this is effective in treating cancer? What might happen if certain phases of the cell cycle do not function well? Make a reflective essay about cell division.arrow_forwardWhat kind of daughter cells will result if the "Normal cell" above goes through mitosis? A) two normal cells B) two cancer cells C) two specialized cells D) one cancer cell and one normal cellarrow_forwardWhat process must happen in order for sister chromatids to be formed? a crossing over b DNA replication c relaxation of chromosomes during interphase d meiosisarrow_forward
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The Cell Cycle and its Regulation; Author: Professor Dave Explains;https://www.youtube.com/watch?v=eqJqhA8HSJ0;License: Standard YouTube License, CC-BY
Cell Division - Mitosis and Meiosis - GCSE Biology (9-1); Author: Mr Exham Biology;https://www.youtube.com/watch?v=w7vp_uRA8kw;License: Standard YouTube License, CC-BY