Unit 4 Cellular Reproduction

Unit 4 Cellular Reproduction - Walid Matariyeh Unit 4...

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Unformatted text preview: Walid Matariyeh Unit 4 Cellular Reproduction (Chapters 11-12)- Chapter 1 Cellular Reproduction o Sexual vs. Asexual Reproduction Sexual Reproduction • Includes only gamete cells and occurs through meiotic cell division Asexual Reproduction • Reproduction in which offspring are formed from a single parent o Occurs mainly in single celled organisms (i.e. bacteria) o Prokaryotic (Binary Fission) and Eukaryotic Cell division Binary Fission • When a cell splits in two Eukaryotic cell division • Usually a eukaryotic cell cycle is more complex than the prokaryotic cell cycle • Two different types of cell division in Eukaryotic Cells o Meiosis Prerequisite for sexual reproduction Occurs in ovaries and testes End result are gametes • GAMETES: eggs or sperm offspring as a result of meiosis o Gametes carry half of all genetic material o Mitosis Consists of nuclear division followed by cytoplasmic division • Most eukaryotic cells spend most of their time in the interphase, preparing for cell division o Chromatin vs. Chromosomes Chromosomes • Have the genetic information of a cell Chromatid • The sister chromosomes which are identical and are duplicates of the original chromosome o Diploid vs. Haploid Cells Diploid • Cells with pairs of homologous chromosomes Haploid • Cells that contain only one type of each chromosome...
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This note was uploaded on 05/17/2010 for the course BIO 111 taught by Professor Osikanlu during the Spring '09 term at Moraine Valley Community College.

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Unit 4 Cellular Reproduction - Walid Matariyeh Unit 4...

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