EBK BIOLOGY
6th Edition
ISBN: 9780134819075
Author: Maier
Publisher: PEARSON CUSTOM PUB.(CONSIGNMENT)
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Chapter 7, Problem 9LTB
Summary Introduction
Introduction:
Meiosis is the process of cell division occurring in sexually reproducing organism. In the process the number of chromosomes is reduced to half resulting into four haploid cells. Different phases of meiosis are prophase, metaphase, anaphase and telophase. During the cycle, a pair of homologous chromosomes is formed.
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Under normal conditions, the members of a pair of homologous chromosomes separate from each other __________________.
during anaphase of meiosis I and meiosis II
during anaphase of mitosis, meiosis I, and meiosis II
only during anaphase of meiosis I
only during anaphase of meiosis II
only during anaphase of mitosis
Chromosome nondisjunction during either meioticdivision creates unbalanced gametes and thus causesaneuploidy in the __________
Chromosomes
undergoing
recombination during
meiosis
Maternal chromosome 2
and paternal
chromosome 3
Paternal chromosome 8
and maternal
chromosome 9
Maternal chromosome 1
and paternal
chromosome 1
Homologous
chromosomes
Nonhomologous
chromosomes
Chapter 7 Solutions
EBK BIOLOGY
Ch. 7 - List several ways in which meiosis differs from...Ch. 7 - Add labels to the figure that follows, which...Ch. 7 - Prob. 3LTBCh. 7 - A sperm cell follows which path? seminiferous...Ch. 7 - An egg cell that is not fertilized follows which...Ch. 7 - Which of the following is mismatched? urethra:...Ch. 7 - The production of gametes. ___________. begins at...Ch. 7 - If humans have 23 pairs of chromosomes, each...Ch. 7 - Prob. 9LTBCh. 7 - Prob. 10LTB
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- Every somatic cell in a human contains 23 pairs of chromosomes. Pairs 1 to 22 are autosomes, while pair 23 are the sex chromosomes. The pairs are described as homologous chromosomes. Answer the following questions about homologous chromosomes: Where do the chromosomes that make up each pair come from? Explain how the terms homologous chromosomes and sister chromatids are different. In genetic males, there is one pair that is not homologous. Identify the pair and explain why.arrow_forwardSister chromatids of a chromosome are identical ________arrow_forwardterm for random alignment of the homologs along the metaphase plate of meiosis I (2 words)arrow_forward
- Mitosis is used to make more body cells while meiosis is only used to make gametes for sexual reproduction. Use the diagram to identify one similarity and one difference between mitosis and meiosis. Your answer must specifically refer to this diagram. [i.e. say what specific cells in the diagram show the similarity or difference] Mitosis Parent cell Meiosis Parent cell DNA replicates DNA replicates 2 daughter cells 2 daughter cells 4 daughter cells U.S. National Library of Medicine (Level 3) tv МacВook Air 80 DD F5 F7 F8 F9 F10 F2 F3 @ # $ & * 3 4 9. 7 8 W E R Y 一 S H J K C V M Varrow_forwardA cat has 38 total chromosomes (19 pairs). If one cell undergoes either mitosis or meiosis, identify the number of chromosomes and chromatids present in every phase of cell cycle. Also, indicate the total number of cells after each type of cell division.arrow_forwardWhat stage of Meiosis makes it so significant?. Single line text.arrow_forward
- What is the correct chromosomal condition at prometaphase of mitosis? A B C D Earrow_forwardWhich meiotic division(s) reduce(s) chromosome number (i.e., meiosis I, meiosis II, or both)? Explain your answer. Edit View Insert Format: Toold Tablarrow_forward___________ chromosome aneuploidy is usually welltolerated because only one X chromosomeremains active and because the Y chromosomehas few genesarrow_forward
- Could you please tell me if those numbers are correct?arrow_forwardThe diagram depicts two stages of meiosis. Focusing on the cell to the right of the arrow: (A) What phase of meiosis is represented in the cell? (B) What event is demonstrated by the chromosomes in the cell? X Xarrow_forwardIf the mother cell has 10 chromosomes, draw the stages of mitosis, meiosis 1 and meiosis 2 using blue and red pencils only for the chromosomes.arrow_forward
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