chapter2 - Childhood and Adolescence: Voyages in...

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Childhood and Adolescence: Voyages in Development, Second Edition, Spencer A. Rathus Chapter 2 Chapter 2 Heredity and Conception
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Childhood and Adolescence: Voyages in Development, Second Edition, Spencer A. Rathus Chapter 2 Your father determined whether you are female or male. Brown eyes are dominant over blue eyes. Heredity and Conception: Truth or Fiction?
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Childhood and Adolescence: Voyages in Development, Second Edition, Spencer A. Rathus Chapter 2 You can carry the genes for a deadly illness and not become sick yourself. Identical twins are more likely than fraternal twins to share disorders such as schizophrenia and vulnerability to alcoholism. Heredity and Conception: Truth or Fiction?
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Childhood and Adolescence: Voyages in Development, Second Edition, Spencer A. Rathus Chapter 2 120 to 150 boys are conceived for every 100 girls. Sperm travel about at random inside the woman’s reproductive tract, so that reaching the ovum is a matter of luck. Heredity and Conception: Truth or Fiction?
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Childhood and Adolescence: Voyages in Development, Second Edition, Spencer A. Rathus Chapter 2 Extensive athletic activity may contribute to infertility in the male. “Test-tube” babies are grown in a laboratory dish throughout their nine-month gestation period. Heredity and Conception: Truth or Fiction?
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Childhood and Adolescence: Voyages in Development, Second Edition, Spencer A. Rathus Chapter 2 You can select the sex of your child. Heredity and Conception: Truth or Fiction?
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Childhood and Adolescence: Voyages in Development, Second Edition, Spencer A. Rathus Chapter 2 The Influence of Heredity on Development The Nature of Nature
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Childhood and Adolescence: Voyages in Development, Second Edition, Spencer A. Rathus Chapter 2 Heredity Defines one’s nature Genetics Field within the science of biology that studies heredity Genetic influences Physical traits Behavioral traits Psychological disorders What Is Meant by Heredity?
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Childhood and Adolescence: Voyages in Development, Second Edition, Spencer A. Rathus Chapter 2 Chromosomes Found in cells 23 pairs of rod-like structures Genes Segments within chromosomes Regulate development of traits DNA Large strands make up genes Double spiral (helix) Composed of phosphate (P), sugars (S), and base pairs What Are Chromosomes and Genes?
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Childhood and Adolescence: Voyages in Development, Second Edition, Spencer A. Rathus Chapter 2 Figure 2.1 Cells, Chromosomes, and DNA
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Childhood and Adolescence: Voyages in Development, Second Edition, Spencer A. Rathus Chapter 2 Mitosis Cell division by which growth occurs Strands of DNA break apart and are rebuilt Result is identical copies of DNA strand What Happens During Cell Division?
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Childhood and Adolescence: Voyages in Development, Second Edition, Spencer A. Rathus Chapter 2 Figure 2.2 Mitosis
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Childhood and Adolescence: Voyages in Development, Second Edition, Spencer A. Rathus
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chapter2 - Childhood and Adolescence: Voyages in...

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