Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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- The gene asSociated with the recessive disorder hemophilia is on the X chromosome, where h is the recessive copy and H is the dominant copy. The picture ("starting cell") shows a diploid cell from a male who has hemophilia, showing his X and Y chromosomes. Starting cell Xh Y Which of these pictures A-E will NOT occur at any time in meiosis of this starting cell? Select ALL that apply. D Xh Xh C YIY В X YI YY E Xh Y A X Xh ¡YYarrow_forward2) A. Explain how polyribosomes form. B. Why might you expect the insertion of 3 DNA base pairs to be less disruptive than th deletion of a single base pair? C. Compare and contrast mitosis and meiosis with respect to their genetic outcomes? D. What are the possible consequences of non-disjunction during cell division? E. How does meiosis increase genetic diversity in populations?arrow_forwardYour textbook stated, "The random segregation into daughter nuclei that happens during the first division in meiosis can lead to a variety of possible genetic arrangements." Explain how this is the case; how this is true? Be specific.arrow_forward
- Diagram 1: Diagram 2:arrow_forwardIn regards to MEIOSIS, give the order of the following events in terms of chromosome number. Question 48 options: meiosis 1 and cytokinesis one cell containing 92 chromosomes meiosis 2 and cytokinesis a total of four cells, each containing 23 chromosomes one cell containing 46 chromosomes two cells containing 46 chromosomesarrow_forward21.The diagrams of meiosis above contain between 4 and 8 mistakes. Identify 4 mistakes. Explain how to fix each one. Format answer like this: mistake 1: ____________ how to fix mistake 1: ________ mistake 2: ____________ how to fix mistake 2: ________ mistake 3: ____________ how to fix mistake 3: ________ mistake 4: ____________ how to fix mistake 4: ________arrow_forward
- You are to compare mitosis with meiosis I and II for a diploid cell that is 2N = 46 chromosomes. (2N = 46)e] Mitosis Meiosis I and II How times are the chromosomes a. b. duplicated/replicated? d. at the end of meiosis Number of daughter cells at the end of division C. f. meiosis I and II How many times does the cell divide? Choice: 0, 1 or 2? е. How many chromosomes are in h. end of meiosis I and II each daughter cell at the end of division if 2n = 46? g. How the chromosomes lined up during metaphase (not the j. meiosis I only i. middle)? L. meiosis I only What separates during Anaphase? k. When does crossing over occur? m. n. When does independent O. assortment occur? p.arrow_forwardAll of the following are distinctions between the process of mitosis and meiosis EXCEPT: Group of answer choices homologous chromosomes in meiotic cells conduct synapsis meiotic cells produce genetically distinctive cells meiotic cells go through two cell divisions meiotic cells have homologous chromosomes where mitotic cells do not 2. A scientist working in an IVF (in vitro fertilization) clinic mistakenly produced a human zygote with 45 chromosomes. What biological process could explain how this happened? Group of answer choices failure of an egg to complete meiosis II failure of the egg nucleus to be fertilized by the sperm a non-disjunction in meiotic anaphase occurring in either an egg or sperm incomplete cytokinesis during spermatogenesis after meiosis Iarrow_forward5. T.) a. Choose the figure (A or B) where nondisjunction occurs in Meiosis I. b. Explain specifically why you chose this figure. (XX) (X) (X) DOO X Meiosis I Meiosis II (4 pts) Pangolins have 19 pairs of chromosomes. hat is the O B (XX) (XX) Meiosis I 28 201 OOOO Meiosis IIarrow_forward
- What would 2n=6 cells in metaphase I of meiosis look like? DG A В D XX XX O Aarrow_forwardDraw the daugher cells (only the daughter cells, not the process) for each situation below & be sure to include whether the cells are diploid or haploid, number of chromosomes and chromatids for each one. cell has a diploid number of 12 (2n=12) a) daughter cells after mitosis b) daughter cell after meiosis I b) daughter cell after meiosis IIarrow_forwarda. What phase of meiosis is this cell undergoing? b. Identify the 3 things that are incorrect in terms of this cells structure and organization? c. Would this cell produce viable gametes? Why or why not.arrow_forward
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