Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 13, Problem 18TYK
In a sexually reproducing species with a diploid number of 8, how many different combinations of chromosomes would be possible in the diploid offspring?
- a. 16
- b. 64
- c. 256
- d. 512
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Beginning with a single cell, how many gametes at the end of meiosis are produced with a normal number of chromosomes (n) if there was a single nondisjunction event during Meiosis I?
a.
0
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4
c.
1
d.
2
How many different combinations of maternal and paternal chromosomes can be packaged in gametes by an organism with a diploid number of 6 (2n=6; n=3)
A. 24
B. 8
C. 32
D. 12
If a diploid cell contains six chromosomes (i.e., three per set), how many possible random arrangements of homologous could occur during metaphase of meiosis I?
a. 24
b. 8
c. 6
d. 23
Chapter 13 Solutions
Study Guide for Campbell Biology
Ch. 13 - a. How many chromosomes are there in the somatic...Ch. 13 - Prob. 2IQCh. 13 - The following diagrams represent some of the...Ch. 13 - a. How many different assortments of maternal and...Ch. 13 - Label the following diagram to review the terms...Ch. 13 - Describe the key events of the following stages of...Ch. 13 - Create a concept map to help you organize your...Ch. 13 - What does meiosis do? a. It produces haploid cells...Ch. 13 - Asexual reproduction of a diploid organism a. is...Ch. 13 - Homologous chromosomes a. have identical DNA...
Ch. 13 - Which of the following represents a clone? a. a...Ch. 13 - What is a karyotype? a. a genotype of an...Ch. 13 - A reduction in the number of chromosomes per cell...Ch. 13 - In most fungi and some protists, a. Gametes are...Ch. 13 - In the alternation of generations found in plants,...Ch. 13 - A synaptonemal complex would be found during a....Ch. 13 - During meiosis I, a. Homologous chromosomes...Ch. 13 - Compared with one of the four cells produced by...Ch. 13 - Meiosis II is similar to mitosis because a. sister...Ch. 13 - The Texan nine-banded armadillo (Dasypus...Ch. 13 - Which of the following is a key difference between...Ch. 13 - Which of the following is not true of homologous...Ch. 13 - Which of the following statements is not true? a....Ch. 13 - In a species with a diploid number of 6, how many...Ch. 13 - In a sexually reproducing species with a diploid...Ch. 13 - The calculation of offspring in question 18...Ch. 13 - Prob. 20TYKCh. 13 - Which of the following statements describes why or...Ch. 13 - What is the evolutionary significance of bdelloid...
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- For an unknown dihybrid species, the trisomy state has 2n+1=33 chromosomes. How many chromosomes are in its gamete? A. 16 B. 17 C. 32 D. 33arrow_forwardWhich case of nondisjunction is MOST likely to result in the production of an aneuploid cell? A. nondisjunction in meiosis I because two of the resulting cells will be n+1 and two will be n–1 B. nondisjunction in meiosis I because two of the resulting cells will be n; one will be n+1 and one will be n–1 C. nondisjunction in meiosis II because two of the resulting cells will be n+1 and two will be n–1 D. nondisjunction in meiosis II because all four resulting cells will be n; one will be n+1 and one will be n–1arrow_forwardWhich statement best describes the genetic content of the two daughter cells in prophase II of meiosis? A. Haploid with one copy of each gene B. Haploid with two copies of each gene C. Diploid with two copies of each gene D. Diploid with four copies of each gene E. tetraploid with four copies of each genearrow_forward
- What cellular process is responsible for genetic recombination? a. The independent alignment of homologous pairs during meiosis I b. Separation of the homologues in meiosis I c. Separation of the chromatids during meiosis II d. Crossing over between homologuesarrow_forwardWhat process might produce a gamete with one extra chromosome? a. Nondisjunction c. Translocation b. Crossing over d. Independent assortmentarrow_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_forward
- If a parent cell has a diploid number of 18 chromosomes beforemitosis, how many chromosomes will the daughter cells have?a. 64 d. 9b. 18 e. 27c. 36arrow_forwardWhich division of meiosis (meiosis I or meiosis II) a. most resembles mitosis? b. cuts the chromosome number in half? c. produces 2 haploid cells? d. always begins with diploid cells?arrow_forwardThe haploid number of chromosomes in a cell of a grasshopper is 18. How many chromosomes are in a gamete? A. 27 b. 18 c. 9 d. 36 e.72arrow_forward
- When 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_forwardIn which phases in meiosis is variation of genetic makeup accomplished? a. Prophase I, Anaphase I and Anaphase II b. Prophase II, Anaphase I and Anaphase II c. Prophase I, Metaphase I and Anaphase II d. Prophase II, Metaphase I and Metaphase II 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_forwardA mature female tiger, with 38 diploid chromosomes in each somatic cell, produces haploid oocytes (egg cells) with how many chromosomes per cell? A. 18 autosomes, and 1 sex-determining chromosome (Y) B. 36 autosomes, and 2 sex-determining chromosomes (XX) C. 18 autosomes, and 1 sex-determining chromosome (X) D. 34 autosomes, and 2 sex-determining chromosomes (XY) E. 17 autosomes, and 1 sex-determining chromosome (X)arrow_forward
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