Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Textbook Question
Chapter 2, Problem 20QP
In the following diagram, designate each daughter cell as diploid (2n) or haploid (n).
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In Figure 4-6, why does the diagram not show meiosesin which two crossovers occur between the same twochromatids (such as the two inner ones)?
For an organism with haploid number of 15, fill in the following table:
An individual is heterozygous for a reciprocal translocation, with the following chromosomes:
A • B C D E F
A • B C V W X
R ST • U D E F
R ST • U V W X
Q. Draw a picture of these chromosomes pairing in prophase I of meiosis.
Chapter 2 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 2 - Prob. 1CSCh. 2 - Prob. 2CSCh. 2 - Prob. 3CSCh. 2 - Cell Structure Reflects Function What advantages...Ch. 2 - Assign a function(s) to the following cellular...Ch. 2 - How many autosomes are present in a body cell of a...Ch. 2 - Define the following terms: a. chromosome b....Ch. 2 - Human haploid gametes (sperm and eggs) contain: a....Ch. 2 - Prob. 6QPCh. 2 - Prob. 7QP
Ch. 2 - In the cell cycle, at which stages do two...Ch. 2 - Does the cell cycle refer to mitosis as well as...Ch. 2 - It is possible that an alternative mechanism for...Ch. 2 - Identify the stages of mitosis, and describe the...Ch. 2 - Why is cell furrowing important in cell division?...Ch. 2 - A cell from a human female has just undergone...Ch. 2 - During which phases of the mitotic cycle would the...Ch. 2 - Describe the critical events of mitosis that are...Ch. 2 - Mitosis occurs daily in a human being. What type...Ch. 2 - Speculate on how the Hayflick limit may lead to...Ch. 2 - How can errors in the cell cycle lead to cancer in...Ch. 2 - List the differences between mitosis and meiosis...Ch. 2 - In the following diagram, designate each daughter...Ch. 2 - Which of the following statements is not true in...Ch. 2 - Match the phase of cell division with the...Ch. 2 - A cell has a diploid number of 6 (2n = 6). a. Draw...Ch. 2 - A cell (2n = 4) has undergone cell division....Ch. 2 - We are following the progress of human chromosome...Ch. 2 - What is physically exchanged during crossing over?Ch. 2 - Compare meiotic anaphase I with meiotic anaphase...Ch. 2 - Provide two reasons why meiosis leads to genetic...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
Discuss the following sets of terms: a. trisomy and triploidy b. aneuploidy and polyploidy
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In a diploid cell where 2n=8, how many chromatids are present in prophase?
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The following diagram represents a tetrad in prophase I. Each line (1–4) represents a chromatid (DNA molecule). Each letter represents a gene.
For the three genes shown, indicate the alleles that will be found on Chromatids 2 and 3, respectively, if no crossing over occurs between the genes.
Select one:
a. Abc and aBC
b. aBC and Abc
c. aBc and AbC
d. ABC and abc
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A heterozygous diploid yeast Aa Bb went through meiosis. What percentage of the haploid spores will have recombinant combinations of alleles?
What if genes A and B are unlinked? Explain
What is genes A and B are linked? Explain
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In a diploid organism that has a haploid complement of n=10, what is the formula and chromosome compliment of each individual?
Chromosome complement
Formula
Total number of chromosomes
1. Trisomy
2. Monosomy
3. Tetraploid
4. Triploid
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The garden pea (Pisum sativum) is normally a diploid and has 7 chromosomes in one set (in other words, n = 7). Use this information to answer the following questions:
a. How many centromeres would be in a cell of a tetraploid pea plant? ______
b. How many total chromatids would be in a cell of a tetraploid pea plant in metaphase of mitosis? _______
c. How many total chromosomes would be in a cell of a pea plant that is monosomic for a single chromosome?
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An individual heterozygous for a reciprocal translocation possesses the following chromosomes:
A B • C D E F G
A B • C D V W X
R S • T U E F G
R S • T U V W X
Q. Draw the pairing arrangement of these chromosomes in prophase I of meiosis.
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. Monoploids have only a single set ofchromosomes, while polyploids have more than __________ sets.
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An individual heterozygous for a reciprocal translocation possesses the following chromosomes: A B • C D E F G A B • C D V W X R S • T U E F G R S • T U V W X a. Draw the pairing arrangement of these chromosomes in prophase I of meiosis. b. Diagram the alternate, adjacent-1, and adjacent-2 segregation patterns in anaphase I of meiosis. c. Give the products that result from alternate, adjacent-1, and adjacent-2 segregation.
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Consider the illustration below. Diagram the configuration you would observe at Anaphase I if crossing-over happens within the inversion
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An individual heterozygous for a reciprocal translocation possesses the following chromosomes:
A B • C D E F G
A B • C D V W X
R S • T U E F G
R S • T U V W X
Q. Diagram the alternate, adjacent-1, and adjacent-2 segregation patterns in anaphase I of meiosis.
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In a cell where 2n=20, nondisjunction of two pairs of chromosomes will results into what types of gametes? Identify the gametes by giving the equation and final chromosome number in the gamete.
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