Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 14.3, Problem 2TYK
Summary Introduction
Introduction:
In humans, the chromosomes are diploid, which means there are two sets of chromosomes in the cells. Meiosis is a type of cell division, in which the number of chromosomes is reduced to haploid, which means a single set of chromosomes is present.
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A)
Quiescent Anaphase Telophase Telophase
phase
Metaphase Prometaph
The maternal
and paternal
chromosomes
of each
homologous
pair separate
and reach the
poles of the
cell, nuclear
envelopes
form around
them, and
cytokinesis
follows to
produce
daughter cells.
During metaphase 1,—————— align on the metaphase plate.
D. centromere
QUESTION 8
Match the stages of mitotic cell division to the descriptions of those stages.
v chromosomes attach to spindle fibers across the middle of the cell
chromosomes are not yet duplicated so chromosomes only look like a
line, only one pair of centrioles in cell
A. Telophase
cell membrane is pinching in forming a peanut-shaped cell, daughter
v chromosomes reach the poles and new nuclear membranes are
forming around them
B. Late Interphase
C. Early Interphase
the nuclear membrane is breaking down, chromosomes are
|condensing, centrioles are building microtubule "highways" (spindle
fibers)
D. Metaphase
E. Anaphase
chromosomes are duplicated so chromosomes look like an "X", two
pairs of centrioles and double the amount of organelles fill the cell
F. Prophase
v cell is dividing into two identical cells
G. Cytokinesis
daughter chromosomes are beginning their migration to the poles on
spindle fibers
QUESTION 9
How do the two cells formed by a mitotic cell division compare…
Chapter 14 Solutions
Principles of Biology
Ch. 14.1 - Researchers usually treat cells with drugs that...Ch. 14.1 - Researchers usually treat cells with drugs that...Ch. 14.1 - Refer back to Figure 13.13. How do checkpoint...Ch. 14.1 - A cell that is diploid has two chromosomes. pairs...Ch. 14.1 - In eukaryotes, DNA replication produces sister...Ch. 14.1 - Prob. 3TYKCh. 14.2 - Refer back to the karyotype in Figure 14.1. In...Ch. 14.2 - What are the functions of the three types of...Ch. 14.2 - Prob. 1TYKCh. 14.2 - Prob. 2TYK
Ch. 14.2 - Sister chromatids separate from each other during...Ch. 14.2 - With regard to chromosome composition, how does...Ch. 14.3 - Prob. 1CCCh. 14.3 - Prob. 2CCCh. 14.3 - What is the main reason for meiosis in animals?...Ch. 14.3 - In meiosis I, crossing over occurs during...Ch. 14.3 - Prob. 2TYKCh. 14.3 - Prob. 3TYKCh. 14.4 - Prob. 1CCCh. 14.4 - A chromosome in which the telomere is at one end...Ch. 14.4 - Prob. 2TYKCh. 14.4 - Prob. 3TYKCh. 14 - Prob. 1TYCh. 14 - Prob. 2TYCh. 14 - Checkpoints during the cell cycle are important...Ch. 14 - Prob. 4TYCh. 14 - Prob. 5TYCh. 14 - Prob. 6TYCh. 14 - Prob. 7TYCh. 14 - Prob. 8TYCh. 14 - Prob. 9TYCh. 14 - Prob. 10TYCh. 14 - Distinguish between homologous chromosomes and...Ch. 14 - The Oca2 gene, which influences eye color in...Ch. 14 - PRINCIPLES A principle of biology is that cells...Ch. 14 - Why is it necessary for chromosomes to condense...
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- Match the illustration to the name of the stage. Early Interphase Late Interphase Prophase I Metaphase I Anaphase I Telophase I Interkinesis Prophase II Metaphase II Anaphase II Telophase II Cytokinesis A. Picture A B. Picture B C. Picture C D. Picture D E. Picture E F. Picture F G. Picture G H. Picture H I. Picture I J. Picture J K. Picture K L. Picturearrow_forwardA drawing of a cell in anaphase is provided. The cell contains 8 unreplicated chromosomes with alleles (H, h, F, f) properly labeled. The chromosomes are shown separating from each other with 4 chromosomes moving toward each side of the cell. Spindle fibers are labeled.arrow_forwardYou normally have 46 chromosomes in each of your somatic cells. How many bivalents are present at metaphase 1?arrow_forward
- If the M checkpoint is not cleared, what stage of mitosis will be blocked? prophase prometaphase metaphase anaphasearrow_forwardS. Chromosomes are duplicated during what stage of the cell cycle? G1 phase S phase prophase prometaphasearrow_forwardDaughter Cells in interphase The two new cells are genetically identical to the parent but are smaller and less mature. They will spend anywhere from a few minutes to years in this phase before they continue in the cell cycle.arrow_forward
- How does I differ from Metaphase II? 2 Metaphasearrow_forwardB. Sequence the following events based on when they happen in the cell, starting from the interphase. Write A for the earliest event a nd UNDERSTAND for the latest. 1. G2 phase 2. G1 phase 3. Metaphase 4. Anaphase 5. Cytokinesis 6. Telophase 7. Metaphase checkpoint 8. G1 checkpoint 9. G2 checkpoint 10. Prophasearrow_forwardNon-disjunction during melosis can lead to several chromosomal disorders. When can non-disjunction occur? Telophase lor Telophase II Cytokinesis )Anaphase I only Anaphase lonly )Anaphase I orAnaphasellarrow_forward
- B C. D E H. K Match the illustration to the name of the stage.arrow_forward69_1&course_jd * Question Completion Status: w. co A C D Using these pictures, match the pictures to their correct stage. - V Picture A A. Anaphase - v Picture B B. Prophase - v Picture C C. Telophase Picture D D. Interphase Picture E E. Metaphase Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save Al MacBook 000 000 DII F1 F2 F3 F4 F5 F6 F7 F8 @ # $ 2 4 Q W E T < O w/arrow_forward12) when cells are placed in culture there is a lag period of time before an increase in number can be seen. During this period the cells are reentering the cell cycle early in G1 to resume the cell division cycle true or falsearrow_forward
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