Genetics: From Genes to Genomes, 5th edition
5th Edition
ISBN: 9780073525310
Author: Leland H. Hartwell, Michael L. Goldberg, Janice A. Fischer, Leroy Hood, Charles F. Aquadro
Publisher: McGraw-Hill Education
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Chapter 4, Problem 13P
Complete the following statements using as many of the following terms as are appropriate: mitosis, meiosis I (first meiotic division), meiosis II (second meiotic division), and none (not mitosis nor meiosis I nor meiosis II).
| a. | The spindle apparatus is present in cells undergoing _________. |
| b. | Chromosome replication occurs just prior to ________. |
| c. | The cells resulting from ________ in a haploid cell have a ploidy of n. |
| d. | The cells resulting from ________ in a diploid cell have a ploidy of n. |
| e. | Homologous chromosome pairing regularly occurs during ________. |
| f. | Nonhomologous chromosome pairing regularly occurs during ________. |
| g. | Physical recombination leading to the production of recombinant progeny classes occurs during ________. |
| h. | Centromere division occurs during ________. |
| i. | Nonsister chromatids are found in the same cell during ________. |
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PLEASE ANSWER THE FOLLOWING QUESTIONS:
1. Which of the following describes the difference between meiosis II and mitosis I?
A. Chromosomes line up at the equator.
B. Homologous chromosome pairs line up in meiosis I and duplicated chromosomes line up in meiosis II.
C. Sister chromatids line up in meiosis I and chromosomes line up in meiosis II.
D. There are the same number of chromosomes.
2. What is the significance of meiosis with respect to sexual reproduction?
a. What type of cell division mitosis, meiosis I or meiosis II is shown in this figure?
b. What is the diploid number of this organism?
c. Provide labels for (i) and (ii)
For each of the following statements, determine if the process described happens during mitosis,
meiosis, or both.
Begins with a diploid cell.
Non-disjunction can result
in an abnormal
chromosome number.
1. Both
Crossing over occurs.
2. Meiosis
Produces somatic cells.
3. Mitosis
Homologous chromosomes
separate.
Synthesis phase (DNA
replication) occurs once.
>
Chapter 4 Solutions
Genetics: From Genes to Genomes, 5th edition
Ch. 4 - Choose the best matching phrase in the right...Ch. 4 - Humans have 46 chromosomes in each somatic cell....Ch. 4 - The figure that follows shows the metaphase...Ch. 4 - XX males who are sex-reversed because they have a...Ch. 4 - Researchers discovered recently that the sole...Ch. 4 - One oak tree cell with 14 chromosomes undergoes...Ch. 4 - Indicate which of the cells numbered iv matches...Ch. 4 - a. What are the four major stages of the cell...Ch. 4 - Answer the questions that follow for each stage of...Ch. 4 - Does any reason exist that would prevent mitosis...
Ch. 4 - One oak tree cell with 14 chromosomes undergoes...Ch. 4 - Which types of cell division mitosis, meiosis I,...Ch. 4 - Complete the following statements using as many of...Ch. 4 - The five cells shown in figure a e on the next...Ch. 4 - One of the first microscopic observations of...Ch. 4 - A person is simultaneously heterozygous for two...Ch. 4 - Assuming i that the two chromosomes in homologous...Ch. 4 - In the moss Polytrichum commune, the haploid...Ch. 4 - Does any reason exist that would prevent meiosis...Ch. 4 - Sister chromatids are held together through...Ch. 4 - The pseudoautosomal regions PARs of the X and Y...Ch. 4 - Somatic cells of chimpanzees contain 48...Ch. 4 - In humans: a. How many sperm develop from 100...Ch. 4 - Women sometimes develop benign tumors called...Ch. 4 - In a certain strain of turkeys, unfertilized eggs...Ch. 4 - Imagine you have two pure-breeding lines of...Ch. 4 - A system of sex determination known as...Ch. 4 - In Drosophila, the autosomal recessive brown eye...Ch. 4 - Barred feather pattern is a Z-linked dominant...Ch. 4 - When Calvin Bridges observed a large number of...Ch. 4 - In a vial of Drosophila, a research student...Ch. 4 - In 1919, Calvin Bridges began studying an X-linked...Ch. 4 - In Drosophila, a cross was made between a...Ch. 4 - As we learned in this chapter, the white mutation...Ch. 4 - The following is a pedigree of a family in which a...Ch. 4 - Each of the four pedigrees that follow represents...Ch. 4 - The pedigree that follows indicates the occurrence...Ch. 4 - Duchenne muscular dystrophy DMD is caused by a...Ch. 4 - The X-linked gene responsible for DMD encodes a...Ch. 4 - Males have hemophilia when they are hemizygous for...Ch. 4 - Consider the following pedigrees from human...Ch. 4 - Several different antigens can be detected in...Ch. 4 - The ancestry of a white female tiger bred in a...Ch. 4 - The pedigree at the bottom of the page shows the...Ch. 4 - In 1995, doctors reported a Chinese family in...Ch. 4 - In cats, the dominant 0 allele of the X-linked...Ch. 4 - In marsupials like the opposum or kangaroo, X...Ch. 4 - The pedigree diagram below shows a family in which...
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