BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 12, Problem 4SA
Meiosis ________.
| a. occurs only in germ cells of animals |
| b. supports growth and tissue repair in multicelled species |
| c. gives rise to genetic diversity among offspring |
| d. is part of the life cycle of all cells. |
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Students have asked these similar questions
Which is NOT true for meiosis
A. occurs in germ cells
B. produces four daughter cells
C. occurs in somatic cells
D. requires two rounds of cell division
Genetic variation from meiosis is generated during ________.
a.
both meiosis I and meiosis II
b.
meiosis II
c.
meiosis I
Homologous chromosomes move toward opposite poles of a dividing cell during
a.
fertilization
b.
meiosis II
c.
meiosis I
d.
mitosis
Chapter 12 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 12 - One evolutionary advantage of sexual over asexual...Ch. 12 - Alternative forms of the same gene are called...Ch. 12 - Meiosis is a necessary part of sexual reproduction...Ch. 12 - Meiosis ________. a. occurs only in germ cells of...Ch. 12 - Sexual reproduction in animals requires ________ ....Ch. 12 - Dogs have a diploid chromosome number of 78. How...Ch. 12 - Prob. 7SACh. 12 - Prob. 8SACh. 12 - Crossing over mixes up _______ . a. chromosomes c....Ch. 12 - Crossing over happens during which phase of...
Ch. 12 - _________ contributes to variation in traits among...Ch. 12 - Which of the following is one of the very...Ch. 12 - Match each term with its description....Ch. 12 - In your own words, explain why sexual reproduction...Ch. 12 - Make a simple sketch of meiosis in a diploid germ...Ch. 12 - The diploid chromosome number for the body cells...
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- Microscopic examination of a section of a normal young adult ovary reveals large numbers of unusually large cells surrounded by a single layer of flat epithelial cells. In which phase of the cell cycle are these cells arrested? A. Diplotene stage of the 1st meiotic division B. Diplotene stage of the 2nd meiotic division C. Metaphase stage of mitosis D. Prophase stage of mitosis E. Prophase stage of the 2nd meiotic divisionarrow_forwardThe cell process represented in the illustration above is Select one: a. Reduction division b. Mitotic division c. Fertilization d. Cleavagearrow_forwardThe dividing cells shown in the picture would be in _?_ of _?_. Assume that the starting cell was diploid and it was 2n=4. A. Metaphase, mitosis B. Metaphase, meiosis I C. Metaphase, meiosis II D. Anaphase, meiosis I E. Anaphase, mitosisarrow_forward
- Which of the following statements is INCORRECT? Mitosis is a conservative mechanism that preserves the genetic status quo. Meiosis is a special type of cellular division that occurs in gametes. After mitosis, two identical 2n daughter cells are produced. After meiosis I, four n daughter cells are produced. Genetic recombination or diversity is a feature of __________. A. Meiosis I C. Mitosis B. Meiosis II D. Choices A, B, and C are correct. The following are cellular events during prophase I, EXCEPT: A. Chromatin condensation C. Crossing-over B. Synapsis D. Paired homologs attach to spindle fibers. Which of the following statements refers to synapsis? It is the pairing of homologous chromosomes during meiosis. It is the alignment of chromosomes on the equatorial plate. It is the exchange of parts between non-sister chromatids. It represents the sites where crossing-over occurred. Which of the following events below…arrow_forwardThese items separate from each other during anaphase 2 of meiosis. a. Sister chromatids b. Homologous chromosome c. Genes d. The two parts of a cellarrow_forwardThe law of segregation of chromosomes arises due to events in _________. A. Mitosis and meiosis II B. Mitosis and meiosis I C. Meiosis I only D. Meiosis II onlyarrow_forward
- CRITERIA MITOSIS MEIOSIS a. chrosomosomes number of daughter cells b. number of cell divisions c. stages d. Presence of synapses e. presence of crossing over f. cell type that undergoes cell division g. number of daughter cells formed h. DNA content of cells at start of division i. DNA content of daughter cells j. genetic consequencesarrow_forwardIdentify if the description below happens in meiosis, mitosis, or botharrow_forwardThe two main sources of genetic variation from meiosis are ________. a. random orientation of homologous pairs and mutation b. crossing over and random mutation c. random orientation of homologous pairs and crossing overarrow_forward
- Identify the human cells that would be diploid. a. egg b. muscle Cc. spermarrow_forwardWhat word below best describes the orientation of maternal relative to paternal chromatids of each bivalent chromosome at the metaphase plate in Meiosis I? A. ordered B. random C. elastic D. organizedarrow_forwardWhich of the following statements is not correct ? a. Homologous chromosomes are separated during meiosis 1. b. In humans, a primary spermatocyte cell has 92 chromatids c. A null allele is characterized by the complete loss of a gene or its function d. According to the germ line theary all cells (germ line and somatic) cotribute to the next generation e. The lineage of cells that eventually form eggs or sperms is known as germ-line cellsarrow_forward
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