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1.Human Growth and Reproduction2. Sperm reach ovum and cluster around it 3. Only one sperm is allowed to penetrate egg 4. When the sperm penetrates the egg, the egg immediately…

1. Growth and development Definition  Growth refers to changes in magnitude.  Development refers to account for how it happens.  Growth centre refers to the location…

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Slide 1 4 main jobs of the female reproductive system: 1.To make, store and release eggs from ovaries. 2.To make hormones used to regulate her cycle. 3.To be equipped to…

Basic Embryology Embryology Definition: the study of the origin and development of an organism Prenatal period: before birth 38 weeks from conception to birth (average) âfetalâ…

Chapter 47 Animal Development Embryonic development/fertilization Preformation: until 18th century; miniature infant in sperm or egg Epigenesis: proposed by Aristotle; animal…

Chapter 47 Animal Development Embryonic development/fertilization Preformation: until 18th century; miniature infant in sperm or egg Epigenesis: proposed by Aristotle; animal…

Early Vertebrate Developement Early Vertebrate Development Early Development of Mammals Early Development of Birdsâ¦if we have time. Long and Winding Road⦠Both Egg…