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Aging and damaged erythrocytes are removed from the circulation by ________. a

Anatomy & Physiology | 1st Edition | ISBN: 9781938168130 | Authors: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, & 6 more ISBN: 9781938168130 330

Solution for problem 14 Chapter 18

Anatomy & Physiology | 1st Edition

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Anatomy & Physiology | 1st Edition | ISBN: 9781938168130 | Authors: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, & 6 more

Anatomy & Physiology | 1st Edition

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Problem 14

Aging and damaged erythrocytes are removed from the circulation by ________. a. myeoblasts b. monocytes c. macrophages d. mast cells

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Meiosis & sexual reproduction Sexual Reproduction - Combines genetically unique egg and sperm - Results in genetically unique offspring - Variation means individuals will be able to persist if a new predator is introduced Mutations - Ultimate source of genetic variation - Passed to offspring unless lethal - Source of new alleles Alleles - Alternate forms of gene - 3 different alleles for a blood type Diploid organisms - Alleles are carried on homologous chromosomes Diploid dominant life cycle: - Takes places in testis and ovaries - Fertilization - Cell division & mitosis Sexual Reproduction - Alternating meiosis and fertilization o Meiosis in diploid germ line cells produces haploid gametes o Fertilization produces diploid zygote Features of Meiosis - Includes 2 rounds of division (Meiosis I & Meiosis II) but only 1 round of DNA replication - Each meiotic cycle has prophase, metaphase, anaphase, & telophase - Synapsis: association between homologous chromosome pairs in Meiosis I - crossing Over: homologous exchange DNA segments - diploid cell replicates all the chromosomes haploidsister chromatids Synapsis & crossing over - prophase I - Recombinant chromosomes - Genetic Variation Independent Assortment - Metaphase I - Genetic Variation - # of possible combinations= 2n - the way they line up is random - slightly different information on the red vs the blues Stages of Meiosis Meiosis

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Chapter 18, Problem 14 is Solved
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Textbook: Anatomy & Physiology
Edition: 1
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, & 6 more
ISBN: 9781938168130

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Aging and damaged erythrocytes are removed from the circulation by ________. a