Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 8, Problem 14SQ
Summary Introduction
Concept introduction: Cloning produces identical copy of a gene, a protein or an organism. Cloning includes several planned interventions. Reproductive cloning refers to any technology that produces clones in vitro from a single cell, be it a plant or an animal. Somatic cell nuclear transfer (SCNT) is a type of reproductive cloning technology.
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The fused cell is cultured and is implanted as a multi-celled embryo. During the step where the fused cell begins dividing normally, the cells of the future clone undergo
a. fertilization
b. gene splicing
c. meiosis
d. mitosis
These genes are involved in normal cell growth and division, but if mutated, could become more active than normal and lead to cancer cell formation.
A. Oncogenes
B. Tumor suppressor genes
C. Proto oncogenes
D. All of these
Which of the following statements best explain the importance of mitosis?
I. Mitosis ensures the growth of an offspring
II. Mitosis helps in preserving and maintaining the genetic stability of a particular population .
III. Mitosis ensures that the number of chromosomes of the parent cell is identical to its two daughter cells.
IV. Mitosis maintains the fixed number of chromosomes in sexually reproducing organisms, the most important contribution in reproduction
A. I only
B. I and II
C. I, II, and III
D. I, II, III, and IV
In unicellular organisms, mitosis helps in asexual reproduction as it produces an identical copy of the parent cell. Which of the following organisms reproduce through mitosis?
A. Bacteria
B. Frog
C. Hydra
D. Sea anemones
Which of the following does NOT signifies the application of mitosis?
A. Production of sperms and eggs.
B. An amoeba reproduces through binary fission while hydra and yeast reproduce through budding.
C. You become taller because the bone cells…
Chapter 8 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 8 - Which is not a nucleotide base in DNA? a. adenine...Ch. 8 - What are the base-pairing rules for DNA? a. A-G,...Ch. 8 - Variation in _____ is the basis of variation in...Ch. 8 - One species' DNA differs from others in its...Ch. 8 - Prob. 5SQCh. 8 - Prob. 6SQCh. 8 - Prob. 7SQCh. 8 - When DNA replication begins, ______. a. the two...Ch. 8 - DNA replication requires _______. a. DNA...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...
Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - Energy that drives the attachment of a nucleotide...Ch. 8 - The phrase "5 prime to 3 prime" refers to the...Ch. 8 - After DNA replication, a eukaryotic chromosome...Ch. 8 - Prob. 13SQCh. 8 - Prob. 14SQCh. 8 - Prob. 15SQCh. 8 - Prob. 1CTCh. 8 - Woolly mammoths have been extinct for about 4,000...Ch. 8 - Xeroderma pigmentosum is an inherited disorder...
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- _________ is an example of reproductive cloning. a. Somatic cell nuclear transfer SCNT b. Multiple offspring from the same pregnancy c. Artificial embryo splitting d. a and carrow_forwardAll of the following is significant application of mitosis except. a. Cloning b. Budding c. Formation of Gametes d. Stem Cell Regeneration If 6 cells undergoing celll division has 12 chromosomes, how many chromosome will there be in the daughter cells after mitosis and meiosis II respectively? a. 6 and 12 b. 12 and 6 c. 6 and 3 d. 6 and 6 In meiosis, the number of chromosomes of the mother cell compared to the resultant daughter cell's chromosome is A. doubled B. halved C. tripled D. the same Elongation of the cell undergoing the last phases of mitosis is due to A. movement of the chromosomes to the opposite poles B. increase in the volume of the cytoplasm that should be contained C. depolymerization of the spindle fibers connected to the kinetochore D. polymerization of the spindle fibers not connected to the kinetochorearrow_forwardIn the reproductive cloning of an animal, the genome of the cloned individual comes from ________ a. a sperm cell b. an egg cell c. any gamete cell d. a body cellarrow_forward
- The picture represent mitotic division. Cells represented in stage 2 are: a. haploid cells b. polyploid cells c. gametes d. somatic cellsarrow_forwardThis cell process illustrates a. meiosis b. interphase c. mitosis d. cytokinesisarrow_forwardThe process involving signals being sent between a cell interacting with one or more cells close by, to change the fate of the cell, or help in determining its final form is called A. activation B. Morphogenesis C. Induction D. repressorsarrow_forward
- In addition to DNA swapping, another contributor to the uniqueness of eggs/sperm and people is ____________ that happens in _______________. A. mutations in DNA; reproductive tissues at puberty B. DNA replication errors; Interphase C. random lining up of chromosomes across the middle of the cell; Metaphase D. decondensing of chromosomes; interkinesis and cytokinesisarrow_forwardStargardt's disease was one of these that can be treated using embryonic stem cells. Why would scientist chose to use this type of stem cell in treatment of Stargard's? A. There ae not ethical issue concerning their use B. They retain stem cell properties even after specialization C. They are able to differentiate into the required cell type D. They are already specialized for this funtionarrow_forward1. _____________ frequencies are used to obtain a genetic map.A. TransductionB. ReconstitutionC. TransformationD. RecommendationE. Recombination 2. A __________ shows an individual cell's metaphase chromosomes arranged in pairs and sorted by size.A. phenotypeB. genotype C. karyotypeD. fingerprintE. none of the above 3. During conjugation, E.coli chromosomal transfer begins at ________.A. oriVB. oriCC. oriTD. oriAE. none of the abovearrow_forward
- Why are dominant mutations in proto-oncogenes generally not inherited? A. Inherited mutations in proto-oncogenes would not affect cell division rate B. Inherited mutations in proto-oncogenes would decrease cell division rate and no viable embryo would form C. Inherited mutations in proto-oncogenes would increase cell division rate and no viable embryo would form D. Dominant mutations in proto-oncogenes are always inheritedarrow_forwardCells at the 4 cell stage of an embryo are _______ compared to cells at the 32 cell stage of the same embryo? Group of answer choices A. larger B. smaller and more differentiated C. about the same size D. smaller E. smaller and less differentiatedarrow_forwardChoose the option that best fits the blank. Henrietta Lacks was female, so, naturally, all the cells from her derived cancerous cell line have _________ chromosomes. A. Only X B. X and Y C. Only Yarrow_forward
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