Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 11, Problem 12RQ
How do telophase I and telophase II differ during meiosis in animal cells?
- Cells remain diploid at the end of telophase I, but are haploid at the end of telophase II
- Daughter cells form a cell plate to divide during telophase I. but divide by cytokinesis during telophase II.
- Cells enter interphase after telophase I, but not after telophase II
- Chromosomes can remain condensed at the end of telophase k but decondense after telophase II.
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In meiosis, how does prophase I differ from prophase II?
During prophase I the chromosomes coil up; the chromosomes are not coiled up during prophase II.
In prophase I the sister chromatids are attached; in prophase II the sister chromatids are separated.
During prophase I chromosomes line up single file in the middle of the cell; during prophase II the chromosomes line up in double file in the middle of the cell.
During prophase I there is one diploid cell; during prophase II there are two haploid cells.
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 pg
In Coleus , the somatic cells are diploid with 24 chromosomes. How many of each of the following is present in each cell at the stage of mitosis and meiosis indicated below?
kinetochore at prophase
chromosomes at anaphase
chromatids at metaphase 1
chromosomes at telophase after cytokinesis
centromeres at anaphase
chromosomes at telophase II after cytokinesis
centromere at anaphase I
chromatids at metaphase
Chapter 11 Solutions
Biology 2e
Ch. 11 - Figure 11.9 If a mutation occurs so that a fungus...Ch. 11 - Meiosis usually produces___daughter___ cells. two...Ch. 11 - What structure is most important in forming the...Ch. 11 - At which stage of meiosis are sister chromatids...Ch. 11 - At metaphase I, homologous chromosomes are...Ch. 11 - Which of the following is not true in regard to...Ch. 11 - What phase of mitotic interphase is missing from...Ch. 11 - The part of meiosis that is similar to mitosis is...Ch. 11 - If a muscle cell of atypical organism has 32...Ch. 11 - Which statement best describes the genetic content...
Ch. 11 - The pea plants used in Mendel’s genetic...Ch. 11 - How do telophase I and telophase II differ during...Ch. 11 - What is a likely evolutionary advantage of sexual...Ch. 11 - Which type of life cycle has both a haploid and...Ch. 11 - What is the ploidy of the most conspicuous form of...Ch. 11 - A diploid, multicellular life-cycle stage that...Ch. 11 - Hydras and jellyfish both live in a freshwater...Ch. 11 - Many farmers are worried about the decreasing...Ch. 11 - Describe the process that results in the formation...Ch. 11 - Explain how the random alignment of homologous...Ch. 11 - What is the function of the fused kinetochore...Ch. 11 - In a comparison of the stages of meiosis to the...Ch. 11 - Why would an individual with a mutation that...Ch. 11 - Does crossing over occur during prophase II? From...Ch. 11 - List and briefly describe the three processes that...Ch. 11 - Animals and plants both have diploid and haploid...Ch. 11 - Explain why sexual reproduction is beneficial to a...Ch. 11 - How does the role of meiosis in gamete production...Ch. 11 - How do organisms with haploid-dominant life cycles...
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- A cell has 40 chromosomes during G1 phase. How many sister chromatids does that cell have during prophase 1 of meiosis?arrow_forwardA sexually reproducing organism has the following phenotype DdEeAaTt: The D and E loci are on the same arm of a metacentric chromosome in cis configuration. The A locus is on the long arm of an acrocentric chromosome and the T locus is on a telocentric chromosome. There are no other chromosomes. Using diagrams, show a cell at metaphase of mitosis and show the results of mitosis. Ensure you show the location of the gene loci on the different chromosomes.arrow_forwardSister chromatids move to opposite poles of the cell during what stage of meiosis? anaphase II anaphase I metaphase II metaphase Iarrow_forward
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