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Reproduction

Chapter 3C Outline

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Kelly Krawczyk Psych Outline Unit 3C ? Genetics, Evolutionary Psychology, and Behavior Behavior Genetics: Prediction Individual Differences Genes: Our Codes for Life 46 chromosomes: 23 from mother, 23 from father Genes can be active (expressed) or inactive Environment can ?turn on? genes Most traits are influenced by genes Twin and Adoption Studies Identical Versus Fraternal Twins Identical ? have same genes but not always same # Most identical share placenta but 1/3 have separate Shared genes can translate into shared experiences Separated Twins Separated twins are almost as similar as twins together Twin-study gave more appreciation to genetic influence Biological Versus Adoptive Relatives Genetic relatives, environmental relatives Adoptees are more similar to biological parents

Chapter 4 The Developing Person

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In-Class notes ?13: Chapter 4 ? The Developing Person Three major issues: Prenatal Development and the Newborn prenatal development: zygote, embryo, fetus, teratogens ? Fetal Alcohol Syndrome The Competent Newborn ? rooting reflex, others: -Close-up: how do we know? habituation, novel stimulus Infancy and Childhood Physical development ? brain: neurons, maturation, infant memory (?infantile amnesia?) / retention? -motor development: sequence, but individual differences in timing Cognitive Development ? PIAGET; schemas, assimilation, accommodation, stages and terms (figure 4.1) -sensorimotor: object permanence; stranger anxiety -preoperational ? egocentrism, language, fantasy, expanding theory of mind -- versus autism:

Meiosis

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??? ??? ??? ??? ??? ?? ? Meiosis??I. Formation of Haploid Cells???? A. In animals, meiosis produces gametes, haploid reproductive cells???? ??? 1. In humans, sperm + egg cells???? ??? 2. Each contain 23 (1n) chromosomes???? ??? 3. Fusion results in a zygote that contains 46 (2n) chromosomes???? B. Undergo the G1, S, and G2 phases of interphase.???? C. Begin meiosis with a duplicate set of chromosomes, but undergo meiosis twice???? ??? 1. Diploid (2n) cells result in four haploid (1n) cells???? D. Meiosis I- Stages of the first cell division???? E. Meiosis II- Stages of the second cell division?II. Meiosis I???? A. Prophase I???? ??? 1. DNA coils into chromosomes, spindle fibers appear (like mitosis)???? ??? 2. Nucleolus & nuclear membrane disassemble (like mitosis)???? ??? 3.

Bob the Builder

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Canales, Owen, and Reyes 1 Jeffrey Canales, Meghan Owen, and Johnny Reyes Mrs. Fuller B4 English I 2 May 2012 Death of Innocents Everyday innocent, unborn babies are killed all around the world. It?s wrong and unfair for the unborn babies, they should have rights too. Abortion and fetal rights is an issue in our society because it?s killing innocent life and regulations should be done to resolve this problem.

campbell biology chapter 8 and 12

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Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The creation of genetically identical offspring by a single parent, without the participation of sperm and egg, is called 1) A) regeneration. B) sexual reproduction. C) spontaneous generation. D) asexual reproduction. 2) Which of the following statements regarding sexual and asexual reproduction is true? 2) A) Only offspring from asexual reproduction inherit traits from two parents. B) Sexual reproduction is more likely to increase genetic variation than is asexual reproduction. C) Sexual reproduction typically includes the development of unfertilized eggs. D) Cell division only occurs after sexual reproduction.

Campbell bio lecture

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Chapter 13 Meiosis and Sexual Life Cycles Overview: Hereditary Similarity and Variation Living organisms are distinguished by their ability to reproduce their own kind Heredity is the transmission of traits from one generation to the next Variation shows that offspring differ in appearance from parents and siblings Genetics is the scientific study of heredity and variation Concept 13.1: Offspring acquire genes from parents by inheriting chromosomes In a literal sense, children do not inherit particular physical traits from their parents It is genes that are actually inherited Inheritance of Genes Genes are the units of heredity Genes are segments of DNA Each gene has a specific locus on a certain chromosome One set of chromosomes is inherited from each parent

world history

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Muslim Family Law Ordinance, 1961 personal laws relating to Muslim inheritance, marriage registration, polygamy, divorce, dowry and maintenance of the wives and children. With an object of enacting the law a declaration for amendment of Muslim family law was made on 7 October 1958, and accordingly the President of Pakistan promulgated the Ordinance in 1961, which is better known as Ordinance No. VIII of 1961.

history

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Muslim Family Law Ordinance, 1961 personal laws relating to Muslim inheritance, marriage registration, polygamy, divorce, dowry and maintenance of the wives and children. With an object of enacting the law a declaration for amendment of Muslim family law was made on 7 October 1958, and accordingly the President of Pakistan promulgated the Ordinance in 1961, which is better known as Ordinance No. VIII of 1961.

Twins

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Identical twins are nature’s own human clones, only they share the same conception, uterus and birthday. Twins can help us understand nature and nurture through observing separated identical twins or just through their behavior in general. “Curiously twinning rates vary by race. The rate among Caucasians is roughly twice that of Asians and half that of Africans … In Western countries most twins are fraternal, and fraternal twins are increasing with the use of fertility drugs.” (Meyers 97) Fraternal twins are just like siblings that share a uterus and a birthday.

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