Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134256283
Author: Audesirk
Publisher: PEARSON
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Textbook Question
Chapter 10, Problem 6RQ
Define nondisjunction, and describe common syndromes caused by nondisjunction of sex chromosomes and autosomes.
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Chapter 10 Solutions
Biology: Life on Earth (11th Edition)
Ch. 10 - Pairs of chromosomes with almost identical genetic...Ch. 10 - A cell with three or more copies of each...Ch. 10 - During crossing over, a. chromatids of homologous...Ch. 10 - Which of the following does not contribute to...Ch. 10 - Haploid nuclei are first formed at what stage of...Ch. 10 - 1. Meiotic cell division produces _______ (how...Ch. 10 - During _______ of meiosis I, homologous...Ch. 10 - Prob. 3FTBCh. 10 - Prob. 4FTBCh. 10 - Women with __________ syndrome have a single X...
Ch. 10 - Prob. 1RQCh. 10 - 2. Describe crossing over. At which stage of...Ch. 10 - 3. In what ways are mitosis and meiosis similar?...Ch. 10 - 4. Diagram and describe the three main types of...Ch. 10 - Describe how meiosis provides for genetic...Ch. 10 - Define nondisjunction, and describe common...Ch. 10 - 1. Many plants can reproduce sexually or...
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- Identify the type of chromosomal aberration described in each of the following cases: a. loss of a chromosome segment b. extra copies of a chromosome segment c. reversal in the order of a chromosome segment d. movement of a chromosome segment to another, nonhomologous chromosomearrow_forwardDescribe some syndromes that result from chromosomal nondisjunction?arrow_forwardName and describe two birth defects resulting from nondisjunction of autosomes and two from nondisjunction of sex chromosomes?arrow_forward
- Relate the characteristics of the Y chromosomearrow_forwardList the genetic disorders resulting from chromosome deletions:arrow_forwardExplain why nondisjunction of sex chromosomes is more well-tolerated thannondisjunction in autosomes, even though genetic nondisjunction of sex chromosomes usually results in sterility and abnormalities of sex organs.arrow_forward
- Assuming no other abnormalities, classify each of the following human sex chromosome complements as to whether or not individuals with that complement will be morphologically male or female. Three human sex chromosome complements will be classified as male and three will be classified as female. XXY XYY XXX XO XY XXarrow_forwardExplain how nondisjunction can affect the normal cell division.arrow_forwardList some syndromes that result from inheritance of anabnormal sex chromosome numberarrow_forward
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