Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 16, Problem 2TYU
An abnormality in which there is one more or one fewer than the normal number of chromosomes is called (a) a karyotype (b) a fragile site (c) an aneuploidy (d) trisomy (e) a translocation
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Chapter 16 Solutions
Biology (MindTap Course List)
Ch. 16.1 - Distinguish between karyotyping and pedigree...Ch. 16.1 - Prob. 2LOCh. 16.1 - Prob. 3LOCh. 16.1 - Prob. 1CCh. 16.1 - Prob. 2CCh. 16.1 - Describe two ways in which genome database...Ch. 16.1 - Prob. 4CCh. 16.2 - Explain how nondisjunction in meiosis is...Ch. 16.2 - Distinguish among the following structural...Ch. 16.2 - Prob. 6LO
Ch. 16.2 - VISUALIZE Draw a simple sketch illustrating how...Ch. 16.2 - Prob. 2CCh. 16.2 - Prob. 3CCh. 16.2 - Prob. 4CCh. 16.3 - State whether each of the following genetic...Ch. 16.3 - Which of the following genetic diseases is/are...Ch. 16.3 - Prob. 2CCh. 16.3 - Prob. 3CCh. 16.4 - Briefly discuss the process of gene therapy,...Ch. 16.4 - Prob. 1CCh. 16.5 - State the relative advantages and disadvantages of...Ch. 16.5 - Distinguish between genetic screening programs for...Ch. 16.5 - Prob. 1CCh. 16.5 - Prob. 2CCh. 16.6 - Prob. 11LOCh. 16.6 - Prob. 1CCh. 16.6 - CONNECT To be expressed, an autosomal recessive...Ch. 16.6 - Prob. 3CCh. 16 - Prob. 1TYUCh. 16 - An abnormality in which there is one more or one...Ch. 16 - The failure of chromosomes to separate normally...Ch. 16 - Prob. 4TYUCh. 16 - Prob. 5TYUCh. 16 - Prob. 6TYUCh. 16 - Prob. 7TYUCh. 16 - Prob. 8TYUCh. 16 - Examine the following pedigrees. Which is the most...Ch. 16 - Examine the following pedigrees. Which is the most...Ch. 16 - Prob. 11TYUCh. 16 - SCIENCE, TECHNOLOGY, AND SOCIETY Imagine that you...Ch. 16 - A common belief about human genetics is that an...Ch. 16 - Prob. 14TYUCh. 16 - EVOLUTION LINK Explain some of the evolutionary...
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- A company that offers PGD terms an embryo “normal and healthy” if it has 46 chromosomes. Why is this statement misleading? , Two famous male actors had twins using a surrogate mother who carried two embryos that hadbeen fertilized in vitro, one with one man’s sperm and the other with the other man’s sperm. In terms of genetics, how closely are the babies, a boy and a girl, related to each other if they have different fathers?arrow_forward. With regards to the grasshopper testes experiment, diakinesis is an ideal stage to determine chromosome number due to the degree of condensation of the chromosomes? Count the chromosomes at this stage. Does it represent a diploid or a haploid number?arrow_forwardWhat are the homologousand the heterologous portionsof the human sexchromosomes?arrow_forward
- The human contains 23 pairs of homologous chromosomes, all of which are indepently assorted. What do you think the chance would be that one of your gametes would contain either all of your mother's or all of your father's chromosomes?arrow_forwardFetuses whose cells are triploid, that is, contain three full sets of chromosomes, develop to term and die as infants, whereas fetuses with individual chromosome trisomies tend not to fare as well. How can you explain this observation?arrow_forwardIf a dog cell (2n = 78) enters meiosis, how many chromosomes will be present in each daughter cell at the end of.... -...meiosis I? -...meiosis II?arrow_forward
- If an organism has 15 pairs of homologous chromosomes, how many chromosomes will each daughter cell have after telophase of mitosis? In this same organism, how many chromosomes will each daughter cell have after telophase II of meiosis?arrow_forwardIn a sample of 1000 patients with Down syndrome, a geneticist discovers that 95% of them are trisomic, while 5% have diploid number of chromosomes. Explain this discrepancy.arrow_forwardWe are following the progress of human chromosome 1 during meiosis. At the end of prophase I, how many chromosomes, chromatids, and centromeres are present to ensure that chromosome 1 faithfully traverses meiosis?arrow_forward
- Assume that a meiotic-nondisjunction event causes trisomy 8 in a newborn. If two of the three copies of chromosome 8 are absolutely identical, at what point during meiosis did the nondisjunction event take place?arrow_forwardEVOLUTION CONNECTION Crossing over is thought to beevolutionarily advantageous because it continually shufflesgenetic alleles into novel combinations. Until recently, it wasthought that the genes on the Y chromosome might degenerate because they lack homologous genes on the X chromosomewith which to pair up prior to crossing over. However, when theY chromosome was sequenced, eight large regions were foundto be internally homologous to each other, and quite a few ofthe 78 genes represent duplicates. (Y chromosome researcherDavid Page has called it a “hall of mirrors.”) Explain what mightbe a benefit of these regions.arrow_forwardA diploid organism has a total of 14 chromosomes and about20,000 genes per haploid genome. Approximately how manygenes are in each linkage group?arrow_forward
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