BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 9, Problem 7MCQ
Summary Introduction
Introduction:
Meiosis is a type of cell division in which chromosome number is reduced to half as compared to the parental chromosome number. Nondisjunction may occur during the process of meiosis. Nondisjunction will result in the abnormal chromosomes in the daughter cells.
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which of these could lead to the mistake evident in the karyotype?
A) a failure of cytokinesis after meiosis I in gamete formation
B) a nondisjunction in meiosis II in gamete formation
C) crossing over in meiosis ! in gamete formation
D) fertilizaton by two sperm in zygote formation
At which point during meiosis do haploid cells first appear?
A. metaphase I
B. anaphase I
C. metaphase II
D. anaphase II
When does DNA replication occur during meiosis?
a.
during telophase
b.
during prophase I
c.
during anaphase and telophase
d.
during interphase before meiosis I begins
Chapter 9 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 9.1 - Prob. 1MCCh. 9.1 - Prob. 2MCCh. 9.1 - Prob. 3MCCh. 9.2 - Prob. 1MCCh. 9.2 - Draw a karyotype for a cell with a diploid number...Ch. 9.2 - Prob. 3MCCh. 9.3 - Prob. 1MCCh. 9.3 - Prob. 2MCCh. 9.3 - Prob. 3MCCh. 9.3 - Prob. 4MC
Ch. 9.4 - Prob. 1MCCh. 9.4 - Prob. 2MCCh. 9.5 - Prob. 1MCCh. 9.5 - Prob. 2MCCh. 9.5 - Prob. 3MCCh. 9.6 - Prob. 1MCCh. 9.6 - In what ways are mitosis and meiosis different?Ch. 9.7 - Prob. 1MCCh. 9.7 - Prob. 2MCCh. 9.7 - Draw a diagram to show how nondisjunction of all...Ch. 9.7 - Prob. 4MCCh. 9.7 - Prob. 5MCCh. 9 - Prob. 1MCQCh. 9 - Prob. 2MCQCh. 9 - Prob. 3MCQCh. 9 - Prob. 4MCQCh. 9 - Prob. 5MCQCh. 9 - Which of the following best describes what happens...Ch. 9 - Prob. 7MCQCh. 9 - Explain why evolution often selects traits that...Ch. 9 - Prob. 2WIOCh. 9 - Sketch the relationships among mitosis, meiosis,...Ch. 9 - What is the difference between haploid and diploid...Ch. 9 - In some animals, females can reproduce by...Ch. 9 - How are mitosis and meiosis different?Ch. 9 - Prob. 7WIOCh. 9 - Prob. 8WIOCh. 9 - List some examples of chromosome abnormalities,...Ch. 9 - Some large companies in the United States cover...Ch. 9 - Prob. 1PITCh. 9 - Prob. 2PITCh. 9 - Where do the members of each pair of homologous...Ch. 9 - Review section 9.5 and the Survey the Landscape...
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- Meiosis produces daughter cells. a. two haploid b. two diploid c. four haploid d. four diploidarrow_forwardAt which stage of meiosis are sister chromatids separated from each other? a. prophase I b. prophase ll c. anaphase I d. anaphase llarrow_forwardDogs have a diploid chromosome number of 78. How many chromosomes do their gametes have? a. 39 c. 156 b. 78 d. 234arrow_forward
- Which type of life cycle has both a haploid and diploid multicellular stage? a. an asexual life cycle b. diploid-dominant c. haploid-dominant d. alternation of generationsarrow_forwardWhich event leads to a diploid cell in a life cycle? a. meiosis b. fertilization c. alternation of generations d. mutationarrow_forwardAlternative forms of the same gene are called _________ . a. gametes c. alleles b. homologous d. sister chromatidsarrow_forward
- Aneuploidies are deleterious for the individual because of what phenomenon? a. nondisjunction b. gene dosage c. meiotic errors d. X inactivationarrow_forwardConsider a diploid cell from an unknown organism that undergoes meiosis. The four gametes produced have 8, 8, 7, and 5 chromosomes. When did nondisjunction occur? a.Meiosis I and II b.Only meiosis I c.Mitosis d.Only meiosis II e.Nondisjunction did not occurarrow_forwardDuring which stage of meiosis do homologous pairs of chromosomes separate from each other? A:Anaphase Il B:Metaphase Il C:Metaphase I D:Anaphasearrow_forward
- Which phase of meiosis reduces the chromosomenumber?a. prophase I c. anaphase Ib. prophase II d. anaphase IIarrow_forwarda.)Meiosis in a plant b.)Meiosis in an animal c.)Telophase II d.)Meiosis in an animal e.)Mitosis in a plantarrow_forwardWhen a germ cell undergoes meiosis, which event would MOST likely result in four aneuploid daughter cells? A. misalignment of the chromosomes during metaphase I B. misalignment of the chromosomes during anaphase I C. misalignment of the chromosomes during metaphase II D. misalignment of the chromosomes during anaphase IIarrow_forward
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