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Which of the following represents the correct order of events during prophase ? O Pachytens, Diplotene, Diakinesis, Leptetenem Zygotene O Zventene, Leptntene. Pachytene, Diakinesis. Diplotene O leptotene. Zypotene. Pachytene. Diplotene, Diakinesis O Diplotene, Pachytene, Leptotene, Dakinesis, Zygotene O Lestotene, Zygotune.Diplotene, Pachytene. Diakinesis

Which of the following represents the correct order of events during prophase ? O Pachytens, Diplotene, Diakinesis, Leptetenem Zygotene O Zventene, Leptntene. Pachytene, Diakinesis. Diplotene O leptotene. Zypotene. Pachytene. Diplotene, Diakinesis O Diplotene, Pachytene, Leptotene, Dakinesis, Zygotene O Lestotene, Zygotune.Diplotene, Pachytene. Diakinesis

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Question:** Which of the following represents the correct order of events during prophase I? **Options:** 1. Pachytene, Diplotene, Diakinesis, Leptotene, Zygotene 2. Zygotene, Leptotene, Pachytene, Diakinesis, Diplotene 3. Leptotene, Zygotene, Pachytene, Diplotene, Diakinesis 4. Diplotene, Pachytene, Leptotene, Diakinesis, Zygotene 5. Leptotene, Zygotene, Diplotene, Pachytene, Diakinesis
Transcribed Image Text:**Question:** Which of the following represents the correct order of events during prophase I? **Options:** 1. Pachytene, Diplotene, Diakinesis, Leptotene, Zygotene 2. Zygotene, Leptotene, Pachytene, Diakinesis, Diplotene 3. Leptotene, Zygotene, Pachytene, Diplotene, Diakinesis 4. Diplotene, Pachytene, Leptotene, Diakinesis, Zygotene 5. Leptotene, Zygotene, Diplotene, Pachytene, Diakinesis
**Educational Content: Chromosomes in Domestic Dogs** **Question:** The domestic dog has 39 pairs of homologous chromosomes. A dog’s somatic cells have _______ chromosomes and gametes have _______ chromosomes. **Answer Options:** - 78, 78 - 39, 39 - 78, 39 - 39, 78 - 156, 78 **Explanatory Diagram:** There are no diagrams or graphs provided within this question. However, for better understanding: 1. **Somatic Cells:** - These are most of the cells in a dog's body and contain pairs of chromosomes, receiving one chromosome from each parent. - Thus, if a dog has 39 pairs of chromosomes, the total in each somatic cell is 39 pairs x 2 = 78 chromosomes. 2. **Gametes:** - These are reproductive cells (sperm and egg), containing half the number of chromosomes found in somatic cells to ensure that when fertilization occurs, the resulting zygote has a full set of chromosomes. - Hence, gametes have 78 chromosomes / 2 = 39 chromosomes. Understanding the distinction between somatic cells and gametes, where somatic cells are diploid (having two sets of chromosomes) and gametes are haploid (having one set of chromosomes), is essential in genetics.
Transcribed Image Text:**Educational Content: Chromosomes in Domestic Dogs** **Question:** The domestic dog has 39 pairs of homologous chromosomes. A dog’s somatic cells have _______ chromosomes and gametes have _______ chromosomes. **Answer Options:** - 78, 78 - 39, 39 - 78, 39 - 39, 78 - 156, 78 **Explanatory Diagram:** There are no diagrams or graphs provided within this question. However, for better understanding: 1. **Somatic Cells:** - These are most of the cells in a dog's body and contain pairs of chromosomes, receiving one chromosome from each parent. - Thus, if a dog has 39 pairs of chromosomes, the total in each somatic cell is 39 pairs x 2 = 78 chromosomes. 2. **Gametes:** - These are reproductive cells (sperm and egg), containing half the number of chromosomes found in somatic cells to ensure that when fertilization occurs, the resulting zygote has a full set of chromosomes. - Hence, gametes have 78 chromosomes / 2 = 39 chromosomes. Understanding the distinction between somatic cells and gametes, where somatic cells are diploid (having two sets of chromosomes) and gametes are haploid (having one set of chromosomes), is essential in genetics.
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