Concepts of Genetics (12th Edition)
12th Edition
ISBN: 9780134604718
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino, Darrell Killian
Publisher: PEARSON
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Textbook Question
Chapter 2, Problem 3PDQ
What role do the following cellular components play in the storage, expression, or transmission of genetic information: (a) chromatin, (b) nucleolus, (c) ribosome, (d) mitochondrion, (e) centriole, (f) centromere?
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Students have asked these similar questions
The nucleus
a) has a single membrane and compartmentalizes the genetic material
b) has a double membrane joined by nuclear pores, is continuous with the endoplasmic reticulum membrane, and compartmentalizes the nuclear genetic material
c) has a double membrane joined by nuclear pores, is continuous with the smooth endoplasmic reticulum membrane only, and compartmentalizes the nuclear genetic material
d) None of these are accurate
The inner nuclear membrane is lined by the nuclear lamina, a filamentous network which serves as an attachment site for chromatin and structural support and possibly other functions.
a) True b) False
Which of the following has beads on a string structure?
a) Nucleosomes
b) Chromosomes
c) Heterochromatin
d) Chromatin
Chapter 2 Solutions
Concepts of Genetics (12th Edition)
Ch. 2 - With the initial appearance of the feature we call...Ch. 2 - An organism has a diploid number of 16 in a...Ch. 2 - Examine Figure 2.12, which shows oogenesis in...Ch. 2 - Over a period of two years, a man in his early 20s...Ch. 2 - Over a period of two years, a man in his early 20s...Ch. 2 - Over a period of two years, a man in his early 20s...Ch. 2 - In this chapter, we focused on how chromosomes are...Ch. 2 - Review the Chapter Concepts list on page 14. All...Ch. 2 - What role do the following cellular components...Ch. 2 - Discuss the concepts of homologous chromosomes,...
Ch. 2 - If two chromosomes of a species are the same...Ch. 2 - Describe the events that characterize each stage...Ch. 2 - How are chromosomes named on the basis of their...Ch. 2 - Contrast telophase in plant and animal mitosis.Ch. 2 - Describe the phases of the cell cycle and the...Ch. 2 - Define and discuss these terms: (a) synapsis, (b)...Ch. 2 - Contrast the genetic content and the origin of...Ch. 2 - Given the end results of the two types of...Ch. 2 - Contrast spermatogenesis and oogenesis. What is...Ch. 2 - Explain why meiosis leads to significant genetic...Ch. 2 - A diploid cell contains three pairs of homologous...Ch. 2 - Considering Problem 15, predict the number of...Ch. 2 - During oogenesis in an animal species with a...Ch. 2 - What is the probability that, in an organism with...Ch. 2 - The nuclear DNA content of a single sperm cell in...Ch. 2 - Describe the role of meiosis in the life cycle of...Ch. 2 - Contrast the chromatin fiber with the mitotic...Ch. 2 - Describe the folded-fiber model of the mitotic...Ch. 2 - Prob. 23PDQCh. 2 - If one follows 50 primary oocytes in an animal...Ch. 2 - In mitosis, what chromatid combination(s) will be...Ch. 2 - During meiosis I, assuming no crossing over, what...Ch. 2 - Are there any possible combinations present during...Ch. 2 - Draw all possible combinations of chromatids...Ch. 2 - Assume that during meiosis I none of the C...Ch. 2 - Assume that each gamete resulting from Problem 29...Ch. 2 - A species of cereal rye (Secale cereale) has a...Ch. 2 - An interesting procedure has been applied for...Ch. 2 - Assume that you were examining a first polar body...Ch. 2 - Kuliev and Verlinsky (2004) state that there was a...
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- Which of the following has beads on a string structure?a) Chromosomesb) Chromatinc) Nucleosomesd) Heterochromatinarrow_forwardThe term somatic cell refers to: A) normal body cells other than sperm and egg B) pluripotent cells C) most stem cells D) all of the above are somatic cellsarrow_forwardThe nuclear substance composed of histone proteins and DNA is (a) chromatin, (b) the nuclear envelope, (c) nucleoplasm, (d) nuclear pores.arrow_forward
- In some eukaryote organisms, myocytes are a type of stem cell that become Muscle cells. These cells filled with a protein called myosin. Such cell products are stored in cell structures that are formed from: A) the nucleus, B) from the smooth ER as vesicles, C) are engulfed into the cell by phagocytosis, D) are released from the cell by the process of Exocytosis, E) the lysosomes.arrow_forwardWhich describes the activities of a cell that include cell growth and cell division? a) Chromatin b) Cytoplasm c) M-phase d) Cell Cyclearrow_forwardgive a detailed description of the following organelles: a)Nucleus b)Lysosomes c)chloroplasts d)mitochondriaarrow_forward
- Identify the false statement about centrioles. (a) They start to duplicate in G1. (b) They lie in the centrosome. (c) They are made of microtubules. (d) They are membrane-walled barrels lying parallel to each other.arrow_forwardWhich of the following proteins would NOT be made on ribosomes that are bound to the rough endoplasmic reticulum? a) a digestive protein that is found inside a lysosome b) an ion channel protein that is inserted into the cell membrane. c) insulin protein, which is secreted from the cell. d) a protein that becomes part of the cytoskeletonarrow_forwardTranslation is the process of ____ and occurs in the ____. a) mRNA assembly, nucleus b) amino acid metabolism, cytoplasm c) assembling polypeptide chains, cytoplasm d) transcript-building, nucleusarrow_forward
- Tay-Sachs disease is a genetic disorder that occurs when a hydrolytic enzyme known as hexosaminidase A is absent. This results in an accumulation of lipids in the brain and spinal cord. Which of the following organelles would be involved in this disorder? A) peroxisome B) Golgi apparatus C) lysosome D) mitochondria E) nucleolusarrow_forwardIn both Prokaryotes and Eukaryotes, which of the following structures can cross cell membranes using the same protein channels as water? A) mRNA, B) triglycerides, C) large, non-polar molecules, D) DNA, E) gases (CO2 and O2) and small ions.arrow_forwardAn example of a cell differentiation might include A) A cell traveling to its ultimate destination in the developing body B) Embryonic stem cells changing into liver and kidney cells C) Division of a zygote into many cells, all containing genetic material D) Unused neurons getting pruned awayarrow_forward
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