Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 20, Problem 1SQ
_______ segregate during ______.
- a. Homologues; mitosis
- b. Genes on one chromosome; meiosis
- c. Homologues; meiosis
- d. Genes on one chromosome; mitosis
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Any deviation in the number of chromosomes that involves individual chromosomes, as opposed to entire sets of chromosomes, is known as which one of the following?a. Aneuploidy c. Duplication b. Disomy d. Translocation
Chapter 20 Solutions
Human Biology (MindTap Course List)
Ch. 20 - Prob. 1RQCh. 20 - What is a carrier of a genetic trait?Ch. 20 - What evidence indicates that a trait is coded by a...Ch. 20 - Prob. 4RQCh. 20 - Explain what nondisjunction is, and give two...Ch. 20 - _______ segregate during ______. a. Homologues;...Ch. 20 - Prob. 2SQCh. 20 - Genes on the same chromosome tend to stay together...Ch. 20 - Prob. 4SQCh. 20 - A chromosomes structure can be altered by _______....
Ch. 20 - Nondisjunction can be caused by ________. a....Ch. 20 - A gamete affected by nondisjunction could have...Ch. 20 - Genetic disorders can be caused by __________. a....Ch. 20 - A person who is a carrier for a genetic trait...Ch. 20 - Prob. 10SQCh. 20 - If a couple has six boys, what is the probability...Ch. 20 - Human sex chromosomes are XX for females and XY...Ch. 20 - People with Down syndrome have an extra copy of...Ch. 20 - Prob. 4CTCh. 20 - Prob. 5CTCh. 20 - About 4 percent of people of Northern European...Ch. 20 - The following pedigree shows the pattern of...
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- The dividing cells shown in the picture would be in _?_ of _?_. Assume that the starting cell was diploid and it was 2n=4. A. Metaphase, mitosis B. Metaphase, meiosis I C. Metaphase, meiosis II D. Anaphase, meiosis I E. Anaphase, mitosisarrow_forwardConsider a diploid cell from an unknown organism that undergoes meiosis. The four gametes produced have 8, 8, 7, and 5 chromosomes. When did nondisjunction occur? a. Only meiosis I b. Mitosis c. Meiosis I and II d. Nondisjunction did not occur e. Only meiosis II Clear my choicearrow_forwardThe picture represent mitotic division. Cells represented in stage 2 are: a. haploid cells b. polyploid cells c. gametes d. somatic cellsarrow_forward
- Consider a diploid cell from an unknown organism that undergoes meiosis. The four gametes produced have 8, 8, 7, and 5 chromosomes. When did nondisjunction occur? a.Meiosis I and II b.Only meiosis I c.Mitosis d.Only meiosis II e.Nondisjunction did not occurarrow_forwardWhich of the following statements is INCORRECT? Mitosis is a conservative mechanism that preserves the genetic status quo. Meiosis is a special type of cellular division that occurs in gametes. After mitosis, two identical 2n daughter cells are produced. After meiosis I, four n daughter cells are produced. Genetic recombination or diversity is a feature of __________. A. Meiosis I C. Mitosis B. Meiosis II D. Choices A, B, and C are correct. The following are cellular events during prophase I, EXCEPT: A. Chromatin condensation C. Crossing-over B. Synapsis D. Paired homologs attach to spindle fibers. Which of the following statements refers to synapsis? It is the pairing of homologous chromosomes during meiosis. It is the alignment of chromosomes on the equatorial plate. It is the exchange of parts between non-sister chromatids. It represents the sites where crossing-over occurred. Which of the following events below…arrow_forwardWhich of the following can occur by the process of meiosis but not mitosis? A. Haploid cells fuse to form diploid cells B. Diploid cells form haploid cells C. A diploid cell combines with a haploid cell D. Haploid cells multiply into more haploid cellsarrow_forward
- Which process is being shown in this picture? * a B. D. Mitosis Meiosis Osmosis Crossing Over Marrow_forwardThe part of meiosis that is similar to mitosis is ________. a. meiosis I b. anaphase I c. meiosis II d. interkinesisarrow_forwardThe law of segregation of chromosomes arises due to events in _________. A. Mitosis and meiosis II B. Mitosis and meiosis I C. Meiosis I only D. Meiosis II onlyarrow_forward
- Which phase of meiosis is depicted in the drawing below?a. Metaphase of meiosis Ib. Metaphase of meiosis IIc. Anaphase of meiosis Id. Anaphase of meiosis IIarrow_forwardThese items separate from each other during anaphase 2 of meiosis. a. Sister chromatids b. Homologous chromosome c. Genes d. The two parts of a cellarrow_forwardWhat is it called when chromosomes fail to separate properly during meiosis? A. Nondisjunction B. Karyotype C. Chromosomal separation failure D. Inappropriate separation E. Karyokinesisarrow_forward
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