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Published bySamuel Higgins Modified over 8 years ago
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Today’s Objective(s): I will be able to explain the different types of Reproduction. Do Now: List 2 things you remember about Reproduction.
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Types of Reproduction In its most basic sense, we can break reproduction into two categories Asexual Sexual
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Asexual Reproduction All genetic information comes from only one parent. – 100% the same; Exact Copy – Also known as Cloning. Types: Fission- Plant Propagation Budding- Spores Runner
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Fission Example: Amoeba
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Spores Example: Mold
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Runner
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Plant Propagation/Leaf Cutting
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Budding
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Mitosis Cell division where both new cells receive a complete set of chromosomes identical to that of the parent cell – Multiple Phases Produces 2 Daughter Cells – Exact Copies!! Important for Growth & Repair of Cells – Skin Cells
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Mitosis
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Today’s Objective(s): I will be able to explain how hereditary information is passed from generation to generation. Do Now: How is mammalian (mammal/Human) reproduction different from that of an amoeba?
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The Reproductive System Produces sex cells necessary for the production of offspring Sex Cells have ½ the chromosomes of the parent Male and Female have different reproductive parts.
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Female Reproductive System Produces female sex cells (Eggs) Parts Ovaries Oviduct/Fallopian Tube Uterus Vagina Goes through Menstruation
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The Male Reproductive System Produces male sex cells (sperm) Parts: Testes Sperm Ducts Prostrate Seminal Glands Penis
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The Male Reproductive System Produces male sex cells (sperm) Parts: Testes Sperm Ducts Prostrate Seminal Glands Penis
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Sexual Reproduction Requires two Parents – Male = Sperm – Female = Egg The Sperm and Egg combine in a process called fertilization. – Can occur inside or outside the body. A fertilized egg, or zygote, has 100% of the genetic information required. Following fertilization, the developmental process begins.
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Where do sex cells come from? Meiosis – A process of cell division in which each daughter cell receives one half of the parent’s genetic information. In humans = 23 chromosomes – Sperm = Male – Egg = Female
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Meiosis
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Mitosis vs. Meiosis
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