Campbell Essential Biology with Physiology (6th Edition)
6th Edition
ISBN: 9780134711751
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Chapter 8, Problem 8SQ
Summary Introduction
To determine:
The stage of meiosis during which two sisters chromatid are seen together in micrograph of dividing cells of mouse which showing
Introduction:
Meiosis is a process of cell division in which four haploid daughter cells are produced. It is also known as a reductional division because the daughter cells receive a reduced number of chromosomes. Meiosis is important for the reproduction because it produces haploid gametes.
Meiosis occurs in two stages meiosis I and meiosis II. The meiosis stages are also divided into four phases: prophase, metaphase, anaphase and telophase. The meiosis II is similar to that of mitosis.
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Chapter 8 Solutions
Campbell Essential Biology with Physiology (6th Edition)
Ch. 8 - Which of the following is not a function of...Ch. 8 - In what sense are the two daughter cells produced...Ch. 8 - Prob. 3SQCh. 8 - A biochemist measures the amount of DNA in cells...Ch. 8 - Which two phases of mitosis are essentially...Ch. 8 - Complete the following table to compare mitosis...Ch. 8 - If an intestinal cell in a dog contains 78...Ch. 8 - Prob. 8SQCh. 8 - Prob. 9SQCh. 8 - A diploid body (somatic) cell from a fruit fly...
Ch. 8 - Prob. 11SQCh. 8 - Prob. 12IMTCh. 8 - Prob. 13IMTCh. 8 - Prob. 14IMTCh. 8 - A mule is the offspring of a horse and a donkey. A...Ch. 8 - Prob. 16PSCh. 8 - Interpreting Data The graph in the right hand...Ch. 8 - As described in the Biology and Society section,...Ch. 8 - Prob. 19BSCh. 8 - Prob. 20BSCh. 8 - Prob. 21BS
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- In kangaroos, the somatic cells are diploid, having 22 chromosomes. How many chromosomes are present in each cell at metaphase II of meiosis?arrow_forwardHuman cells normally have 46 chromosomes. For each of the following stages, state the number of chromosomes present in a human cell: 1. Metaphase of mitosis 2. Metaphase I of meiosis 3. Telophase of mitosis 4. Telophase I of meiosis Telophase II of meiosisarrow_forwardHuman somatic cells have 46 chromosomes. How many chromosomes are present in human cells undergoing each of the following phases of meiosis? Interphase - Answer: 0 2 3 4 6 9 2 Prophase I - Answer: 0 2 3 4 6 9 2 Prophase II - Answer: 0 2 3 4 6 9 2 Telophase I - Answer: 0 2 3 4 6 9 2 Telophase II - Answer: 0 2 3 4 6 9 2arrow_forward
- A diploid cell has 15 picograms of DNA in G₁ phase. If this cell is a germ line cell that undergoes meiosis, how much DNA will each daughter cell contain at the end of meiosis I? How much DNA will each daughter cell contain at the end of meiosis II? MI = 30 pg: MII = 15 pg O MI = 15 pg; MII = 15 pg MI = 7.5 pg; MII = 15 pg O MI = 15 pg: MII = 7.5 pgarrow_forwardWhat are the major differences between mitosis and meiosis? Explain this both in terms of the different steps of each event and with regards to the final products of each event. Remember to mention the events which are unique to meiosis and why they are significant.arrow_forwardConsider a diploid organism in which the somatic cell chromosome number is 42. Assume cytokinesis to occur in mid telophase. A. How many chromosomes at the close of telophase of mitosis? B. How many chromosomes are expected at metaphase II of meiosis?arrow_forward
- Shown are three alignments of reciprocal translocation chromosomes in cells about to undergo meiosis. Match the daughter cells that will result after meiosisarrow_forwardFor this question use the following symbols for duplicated chromosomes X, Y, and 1, and draw the chromosomes from a human male as a cell goes through the divisions described below. = X = Y = 1 a. Mitosis, showing (i) the starting cell (after S phase) and (ii) the cell(s) after mitosis. b. Meiosis with a nondisjunction of the Y chromosome in meiosis II, following only those three types of chromosomes: (i) the starting cell (after S phase) and (ii) the celI(s) after meiosis I and (iii) the cell(s) after meiosis II. **label each chromosomarrow_forwardEvery 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_forward
- An organism has 34 chromosomes in a somatic cell. How many chromosomes will be in each cell after Meiosis I? After Meiosis II?arrow_forwardIf a diploid organism has 14 chromosomes (2n=14) a. How many chromosomes will its gametes have? b. After meiosis I during gamete formation, how many chromosomes are in each daughter cell? c. After meiosis I during gamete formation, how many chromatids are in each daughter cell?arrow_forwardA simple diagram indicating the alterations in genetic content throughout mitosis is shown in the attached picture. Please prepare a similar diagram for meiosis, starting with a diploid cell in G1 (like the picture). Include all of the cells generated at each stage.arrow_forward
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