PPT-Meiotic Cell Division

Obectives Describe the result of meiotic division in terms of sexual reproduction Discuss the structure of homologous chromosomes Describe chromosomes in terms of ploidy Distinguish between sexual and asexual reproduction. Dr. . Debbie Payne, Ruth H. Liddell, Shirley K. Scarbrough. Alabama State University, Math, Science Partnership, . Summer 2013. CROSSING OVER. When does it occur?. Why is it important?. Meiosis in Lily. 2.5.1: Cell . Cycle: Outline the stages of the cell cycle, including . interphase. (G1, S, G2), mitosis and . cytokinesis. Cytokinesis starting. *During . its life, a cell passes through a well-ordered series of events known as the . Chromosome number. Phases of meiosis. Meiosis and genetics. Gamete formation. Comparing mitosis and meiosis. Chromosome number. A cell in adult . drosphilia. (fruit fly) has 8 chromosomes, 4 of which came from the fly’s male parent, and 4 of which came from the fly’s female parent.. Mitosis. History . of Understanding Cancer. Rudolf Virchow (1821-1902) – First to recognize leukemia in mid-1800s, believing that diseased tissue was caused by a breakdown within the cell and not from an invasion of foreign organisms.. EQ: How do cells divide? . Cell Division . —. . process by which . a cell divides into 2 new cells. Why do cells need to divide? . Living things grow by producing more cells, NOT because each cell increases in size. Alabama State University, Math, Science Partnership, . Summer 2013. CROSSING OVER. When does it occur?. Why is it important?. Meiosis in Lily. In Mitosis the cell’s . chromosomes . are replicated so that when nuclear division occurs followed by cytoplasmic division the two new . Chapter 10. Limits to Cell Size. Cells grow as the organism grows.. However cells only grow to a certain extent then divide. Why?. . - The larger the cell the more demands on its . dna. . - a large cell has more trouble moving food in and waste out. Chapter 10. In Your Notebook. Materials move through cells by diffusion. Oxygen and food move . into cells. , while waste products move out of cells. How does the size of . a cell . affect how . efficiently . ANA 205. 2. Differentiation. - development of a fertilized egg cell to form a complex, multicellular organism involving cellular replication, growth and progressive specialization for a variety of functions. . meiotic drivers are ultra-sel
shalleles that bias their transmission bydestroying meiotic products that donot inherit them.Meiotic drivers have been found in awide range of eukaryotes but arenotoriou Acknowledgement. I would like to express special thank of gratitude to our respected principal madam, Mrs. . Kuljit. . Kaur. , for giving us this unique opportunity to express ourselves in a creative way. General . Semester 2nd. Spermatogenesis. Spermatogenesis: . The process by which stem cells . develops . into  mature spermatozoa. There are three phases:. . Spermatocytogenesis. (Mitosis),. . Meiosis, and . Page 56. Page 56. Page 56. Comparing Cell Cycles. The table below compares the length of different cell cycles.. What Are the Functions of Cell Division?. Read the “My Planet Diary: Cycling On”…p. 56. 1. Cell division. Mitosis. Cell division functions in reproduction, growth, and repair. In unicellular organisms, the division of one cell to form two reproduces . an entire . organism (e.g., bacteria, yeast, .