Campbell Testbank Chapter 13 Exam Questions With 100% Verified Solutions

Campbell Testbank Chapter 13 Exam Questions With 100% Verified Solutions Which of the following statements is correct regarding the human X chromosomes? - ANSWER -C) It carries genes that determine an individual's biological sex. Which of the following statements correctly describes a karyotype? - ANSWER -B) It is an organized image of a cell's chromosomes. If a cell has completed meiosis I and the first cytokinesis, and is just beginning meiosis II, which of the following is an appropriate description of its genetic contents? - ANSWER -A) It has half the amount of DNA as the cell that began meiosis. The somatic cells of a privet shrub each contain a total of 46 chromosomes. How do the chromosomes of this plant differ from the chromosomes of humans, who also have a total of 46? - ANSWER -C) Genes of privet shrub chromosomes are significantly different than those in humans. Which of the following statements describes the chromosomal makeup of each daughter cell after telophase of meiosis I? - ANSWER -D) The cells are haploid, and the chromosomes are each composed of two chromatids. How do cells at the completion of meiosis compare with cells that are in prophase of meiosis I? - ANSWER -C) The cells have half the number of chromosomes and one-fourth the amount of DNA. Which of the following events happens at the conclusion of meiosis I? - ANSWER -A) Homologous chromosomes of a pair are separated from each other. During which of the following processes do sister chromatids separate from each other? - ANSWER -D) during both mitosis and meiosis II Which of the following processes occurs in meiosis but not in mitosis? - ANSWER -B) synapsis of chromosomes When chiasmata can first be seen in cells using a microscope, which of the following processes has most likely occurred? - ANSWER -C) prophase I For the following questions, match the key event of meiosis with the stages listed below. I. Prophase I V. Prophase II II. Metaphase I VI. Metaphase II III. Anaphase I VII. Anaphase II IV. Telophase I VIII. Telophase II 31) Homologous chromosomes are aligned at the equator of the spindle. - ANSWER -B) II For the following questions, match the key event of meiosis with the stages listed below. I. Prophase I V. Prophase II II. Metaphase I VI. Metaphase II III. Anaphase I VII. Anaphase II IV. Telophase I VIII. Telophase II 32) Centromeres of sister chromatids disjoin and chromatids separate. - ANSWER -D) VII Refer to the drawings in the figure below of a single pair of homologous chromosomes as they might appear during various stages of either mitosis or meiosis, and ANSWER the following question(s). 33) Which diagram represents anaphase I of meiosis? - ANSWER -A) I