CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
12th Edition
ISBN: 9780136920335
Author: Urry
Publisher: PEARSON
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Chapter 13, Problem 1TYU
A human cell containing 22 autosomes.and a Y chromosome is
(A) a sperm.
(B) an egg.
(C) a zygote.
(D) a somatic cell of a male.
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Homologous chromosomes are (a) the same thing as sister chromatids. (b) a pair of chromosomes of the same kind. (c) identical copies of the same chromosome. (d) always haploid.
Mitosis differs from meiosis in the following ways EXCEPT:(a) Mitosis results in a full complement of chromosomesin two cells, whereas meiosis results in four cells havinghalf the number of chromosomes.(b) In mitosis, all chromosomes are replicated, whereas inmeiosis, only half are replicated.(c) Mitosis only occurs in somatic or body cells, whereasmeiosis occurs in production of gametes or sex cells.(d) None of the above.(e) a and c only
Loss of cell cycle control may lead to (a) pregnancy. (b) cancer. (c) fertilization. (d) crossing-over of homologous chromosomes.
Chapter 13 Solutions
CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
Ch. 13.1 - MAKE CONNECTIONS Using what you know of gene...Ch. 13.1 - Prob. 2CCCh. 13.1 - WHATIF? A horticulturalist breeds orchids, trying...Ch. 13.2 - MAKE CONNECTIONS In Figure 13.4. how many DNA...Ch. 13.2 - VISUAL SKILLS In The karyotype shown in Figuro...Ch. 13.2 - Prob. 3CCCh. 13.2 - WHAT IF? A certain eukaryote lives as a...Ch. 13.3 - MAKE CONNECTIONS Comparc tho chromosomes in a...Ch. 13.3 - WHAT IF? After the synaptonemal complex...Ch. 13.4 - What is the original source of Variation among the...
Ch. 13.4 - The diploid number for fruit flies is 8, and the...Ch. 13.4 - Prob. 3CCCh. 13 - Explain why human offifuing resemble their parents...Ch. 13 - Prob. 13.2CRCh. 13 - Prob. 13.3CRCh. 13 - Prob. 13.4CRCh. 13 - A human cell containing 22 autosomes.and a Y...Ch. 13 - The two homologs of a pair move toward opposite...Ch. 13 - Meiosis II is similar to mitosis in that (A)...Ch. 13 - Prob. 4TYUCh. 13 - If we continue to follow the cell lineage from...Ch. 13 - DRAW IT The diagram shows a cell in meiosis. (a)...Ch. 13 - Explain how you can tell that the cell in question...Ch. 13 - EVOLUTION CONNECTION Many species can reproduce...Ch. 13 - SCIENTIFIC INQUIRY The diagram in quest ion 6...Ch. 13 - Prob. 10TYUCh. 13 - SYNTHESIZE YOUR KNOWLEDGE For selected answers,...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- (a) Starting with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells? (b) If there are 20 chromatids in a cell, how many centromeres are there? Explain your answer. (c) Diagrammatically, show a metacentric chromosome in G1 phase of the cell cycle and in G2 of the cell cycle. (d) A cell containing 92 chromatids at metaphase of mitosis would, at its completion, produce two nuclei containing how many chromosomes? (e) If cells in the process of dividing are subjected to colchicine, a drug that interferes with the functioning of the spindle apparatus, at which stage will mitosis be arrested?arrow_forwardWhich of the following events does not take place during mitosis?(a) The centromeres of the chromosomes split. (b) The nucleoli disappear, and the two centrosomes separate from one another. (c) The nuclear envelope breaks. (d) Four daughter cells are generated. (e) The chromosomes cluster at the cell’s equator.arrow_forwardCell A has half as much DNA as cells B, C, and D in a mitoticallyactive tissue. Cell A is most likely in(A) G1.(B) G2.(C) prophase.(D) metaphase.arrow_forward
- In a diploid cell in which 2n = 14, how many telomeresare there in each of the following phases of the cellcycle?(a) G1 (c) prophase of mitosis(b) G2 (d) telophase of mitosisarrow_forwarda) In which stage of mitosis do chromosomes condense? (b) If a eukaryotic organism has a total of 34 chromosomes, how many pairs will the chromosomes be arranged in? (c) Define homologous chromosomes.arrow_forwardThere are 40 chromosomes in somatic cells of the house mouse. (a) How many chromosomes does a mouse receives from its father? (b) How many autosomes are present in a mouse gamete? (c) How many sex chromosomes are in a mouse ovum? (d) How many autosomes are in somatic cells of a female?arrow_forward
- A diploid cell contains three pairs of homologous chromosomes designated C1 and· C2, M1 and M2, and S1 and S2; no ·crossing over occurs. What possible combinations of chromosomes will be present in (a) daughter cells following mitosis (b) the first meiotic metaphase (c) haploid cells following both divisions of meiosis? For your answer give the number, show your work and clearly designate if the response is for part(a), (b), or (c)arrow_forwardHuman cells normally have 46 chromosomes. For each of the following stages, state the number of chromosomes present in a human cell: (a) metaphase of mitosis (b) metaphase I of meiosis (c) telophase of mitosis (d) telophase I of meiosis (e) telophase Il of meiosis.arrow_forward1) A human cell containing 22 autosomes and a Y chromosome is A) a sperm. B) an egg. C) a zygote. D) a somatic cell of a male. E) a somatic cell of a female.arrow_forward
- 20. Which of the following occurs during mitosis but not during meiosis I? (A) The chromosomes are pulled to opposite poles of the spindle apparatus. (B) The chromatids of each chromosome are separated. (C) The nuclear envelope breaks down. (D) Both synapsis and crossingover take place. (E) The diploid number of chromosomes is reduced to the haploid number. 21. Oxygen consumption can be used as a measure of metabolic rate because oxygen is (A) necessary for ATP synthesis by oxidative phosphorylation (B) necessary to replenish glycogen levels (C) necessary for fermentation to take place (D) required by all living organisms (E) required to break down the ethanol that is produced in muscles 22. Membranes are components of all of the following EXCEPT a (A) microtubule (В) nu (C) Golgi apparatus (D) mitochondrion (E) lysosome 23. In a mesophyll cell of a leaf, the synthesis of ATP occurs in which of the following? I. Ribosomes II. Mitochondria III. Chloroplasts (A) I only (В) II only (C)…arrow_forwardOverall, meiosis and mitosis are analogous processes involving many of the same proteins. However, some proteins function uniquely in each of these cell-division events. Explain the meiosis-specific function of the following: (a) Ime2, (b) Rec8, (c) monopolin.arrow_forwardHuman cells normally have 46 chromosomes. For each of the following stages, state the number of chromosomes present in the particular cell.a) metaphase of mitosisb) metaphase I of meiosis c) telophase of mitosisd) telophase I of meiosis e) telophase II of meiosis (Remember that a pair of attached chromatids count as one chromosome.)arrow_forward
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