Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 14.1, Problem 1CC
Researchers usually treat cells with drugs that stimulate them to divide prior to the procedure for making a karyotype. Why is this useful?
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Chapter 14 Solutions
Principles of Biology
Ch. 14.1 - Researchers usually treat cells with drugs that...Ch. 14.1 - Researchers usually treat cells with drugs that...Ch. 14.1 - Refer back to Figure 13.13. How do checkpoint...Ch. 14.1 - A cell that is diploid has two chromosomes. pairs...Ch. 14.1 - In eukaryotes, DNA replication produces sister...Ch. 14.1 - Prob. 3TYKCh. 14.2 - Refer back to the karyotype in Figure 14.1. In...Ch. 14.2 - What are the functions of the three types of...Ch. 14.2 - Prob. 1TYKCh. 14.2 - Prob. 2TYK
Ch. 14.2 - Sister chromatids separate from each other during...Ch. 14.2 - With regard to chromosome composition, how does...Ch. 14.3 - Prob. 1CCCh. 14.3 - Prob. 2CCCh. 14.3 - What is the main reason for meiosis in animals?...Ch. 14.3 - In meiosis I, crossing over occurs during...Ch. 14.3 - Prob. 2TYKCh. 14.3 - Prob. 3TYKCh. 14.4 - Prob. 1CCCh. 14.4 - A chromosome in which the telomere is at one end...Ch. 14.4 - Prob. 2TYKCh. 14.4 - Prob. 3TYKCh. 14 - Prob. 1TYCh. 14 - Prob. 2TYCh. 14 - Checkpoints during the cell cycle are important...Ch. 14 - Prob. 4TYCh. 14 - Prob. 5TYCh. 14 - Prob. 6TYCh. 14 - Prob. 7TYCh. 14 - Prob. 8TYCh. 14 - Prob. 9TYCh. 14 - Prob. 10TYCh. 14 - Distinguish between homologous chromosomes and...Ch. 14 - The Oca2 gene, which influences eye color in...Ch. 14 - PRINCIPLES A principle of biology is that cells...Ch. 14 - Why is it necessary for chromosomes to condense...
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- What is needed from the cells for PCR?arrow_forwardWhat is clone in terms of cells?arrow_forwardThe figure shown describes the technique of FISH. Why is it necessaryto fix the cells (and the chromosomes inside of them) to the slides?What does it mean to fix them? Why is it necessary to denature thechromosomal DNA?arrow_forward
- Regarding STR markers used in forensic science. Tick all the correct statements: no correct statement the PCR primers used to amplify STRs are located in the repeat units PCR primers to amplify STRs are located on both sides of the repeat units the PCR primers used to amplify STRs are coupled to a fluorochrome which is essential for the detection of amplicons they are absent from the gonosomes the allelic frequencies of STR markers vary according to the ethnicity of the individuals genotyped they are present homogeneously throughout the nuclear genomearrow_forwardWhy does the probe bind to a specific site on a chromosome?arrow_forwardDescribe the technique of chromosome walking, and explain why it is used.arrow_forward
- Describe the three steps of a PCR cycle.arrow_forwardThe primary benefit of recombination is: Activity of mobile genetic elements Meiotic recombination DNA double-strand break repair Movement of viruses between lytic and prophage phases Bacterial control of gene expressionarrow_forwardUsing the 5 major steps (isolation, cutting, ligation, transformation, colony screening), make your own flow diagram of the genetic engineering process.arrow_forward
- One way that researchers create a cell line that is "immortal" (divides forever in culture) is by introducing DNA that forces the cell to express telomerase. Why do cells that don't express the telomerase protein stop dividing? What specifically goes wrong?arrow_forwardWhat specifically will happen if DNA polymerase is inaccurate during DNA synthesis? Explain how this inaccuracy might affect the organism.arrow_forwardInformation obtained by microscopic analysis of stained chromosomes is used in: a. radiation hybrid mapping b. sequence mapping c. RFLP mapping d. cytogenetic mappingarrow_forward
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