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Sex

Women in the cultural revolution

Subject: 
World History
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Gender
Gender roles
Sex
Identity
Gender studies
Jeffrey Wasserstrom
Men
Chinese women
Cultural Revolution
Masculinity
Women in China
Femininity

Women and the Cultural Revolution The Cultural Revolution (1966-1976), aimed at a complete cultural transformation of China, including on the issue of gender. Yet it was not the first time the Communist regime tried to erase the symbolic differences between gender. A poem written by Mao Tse-tung glorifying women in military uniform was set to music and became one of the popular songs in the 1960s and 1970s. It went roughly as: Spirited and attractive, with a five feet rifle/arriving at the training ground with the first rays of morning sunshine/how magnificently ambitious Chinese women are/they prefer military uniforms to feminine clothes.

AP Bio_genetic_variation

Subject: 
Biology
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Biology
Genetics
Fertility
Reproduction
Classical genetics
Cellular processes
Molecular genetics
Meiosis
Genetic variation
Ploidy
Homologous chromosome
Sex

Genetic variation produced in sexual life cycles contributes to evolution * Mutations (changes in an organism?s DNA) are the original source of genetic diversity * Mutations create different versions of genes called alleles * Reshuffling of alleles during sexual reproduction produces genetic variation Origins of Genetic Variation Among Offspring * The behavior of chromosomes during meiosis and fertilization is responsible for most of the variation that arises in each generation * Three mechanisms contribute to genetic variation: ? Independent assortment of chromosomes ? Crossing over ? Random fertilization Independent Assortment of Chromosomes * Homologous pairs of chromosomes orient randomly at metaphase I of meiosis

AP Bio_Cell division

Subject: 
Biology
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Biology
Genetics
Reproduction
Classical genetics
Cytogenetics
Fertility
Developmental biology
Meiosis
Ploidy
Gamete
Alternation of generations
Sex

Meiosis and Sexual Life Cycles Variations on a Theme * Offspring resemble their parents more than they do unrelated individuals * Heredity is the transmission of traits from one generation to the next * Variation is demonstrated by the differences in appearance that offspring show 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 and are made up of segments of DNA * Genes are passed to the next generation via reproductive cells called gametes (sperm and eggs)

Meiosis Outline

Subject: 
Biology
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Biology
Genetics
Cytogenetics
Classical genetics
Homologous chromosome
Chromosome
Ploidy
Meiosis
Sex
Gamete
Centromere
Gene
Health
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meiosis and sexual life cycle

1/22/13 2:17 PM Chromosome and chromosome number Genes- the DNA on chromosomes is arranged in segments Chromosomes determine you genes which are passed on determining the color of your hair and eyes Homologous Chromosome Homologous Chromosome- One chromosome from each parent Have same length and same centromere position and carry genes which determine the inherited traits Haploid and diploid cells Gametes- sex cells that have half the number of chromosomes Haploid- A cell with n number of chromosomes in a gamete Fertilization- the process by which one haploid gamete combines with another haploid gamete Diploid- After fertilization the cell has 2n chromosomes Meiosis Meiosis- Type of cell division that reduces the amount of chromosomes

campbell biology chapter 8 and 12

Subject: 
Biology
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Human sexuality
Reproduction
Behavior
Fertility
Developmental biology
Asexual reproduction
Sexuality
Sex
Asexuality
Genetics
Plant reproduction
Parthenogenesis

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

Subject: 
Biology
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Biology
Genetics
Heredity
Chromosome
Meiosis
Gene
Sex
Reproduction
Transmission
Mendelian inheritance
Evolution
Health

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
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