PPT-Prophase

Metaphase Anaphase INTERPHASE G1 phase Metabolic changes prepare the cell for division At a certain point the restriction point the cell is committed to division and moves into the S phase. Mike Clark, M.D.. Mitosis . technically is the process that duplicates a cell’s nucleus. The process of mitosis is . conventionally divided into . four . phases:. Prophase. Metaphase. Anaphase. Telophase. Prophase I. DNA condenses and chromosomes become visible. Homologous chromosomes are attracted to each other and so pair up. Due to similar chromosome structure and allele alignment, . crossing over occurs. 10. Meiosis. You Must Know. The importance of homologues chromosomes to meiosis.. How the chromosome number is reduced from diploid to haploid in meiosis.. Three events that occur in meiosis but not mitosis.. Part II: Mitosis . Topics addressed in this Unit. NGSS MS. Topics addressed in this Unit Part II. NGSS MS Part II. NGSS HS Part II. Additional Standards Addressed. Additional Standards Addressed. Copyright © 2010 Ryan P. Murphy. Meiosis . MEIOSIS. The production of offspring by sexual reproduction includes the fusion of two gametes, each with a complete haploid set of chromosomes. . Gametes are formed from specialised diploid cells. This specialised kind of cell division that reduces the chromosome number by half results in the production of haploid daughter cells. This kind of division is called . The cell cycle. Mitosis is only one section of the life cycle of a cell. . Interphase is the main part of the cell cycle. This is where DNA is replicated (a copy is made) to prepare for mitosis.. Overview. Cell cycle. G1 phase: Growth, cytokinesis finishes , protein synthesis, prepares to copy DNA. S phase: DNA copies itself. G2: protein synthesis continues prepares to divide. M Mitosis Nucleus divides perfectly. Chromatin . Chromatid. Centromere. Histones. Replicated Chromosome. Mitosis occurs in 4 steps:. Prophase. Metaphase. Anaphase. Telophase. Stages of Mitosis . (first part of M phase). http://www.youtube.com/watch?v=VlN7K1-9QB0. You must explain why your answer is correct. . Please write the page number in your book that supports your explanation.. Use the index of your book to help you. . Chapter 6 Lesson 1 . Part 2. I can show you what the different phases of cell division look like and explain what . R. r. Source: plant-genetics.kais.kyoto-u.ac.jp. ATGGGCACTGCCACT. A chromosome is a single DNA molecule forming a complex with histone proteins. DNA is highly compacted: DNA histone proteins = . chromatin. 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 . Parts of the Human Cheek Cell at 40X Magnification. Can you name these parts of the Human Cheek Cell?. CELL CYCLE. D. uring Interphase DNA replicates which must occur before Mitosis can begin .. Centrioles. DON. ’. T EAT THE CANDY!!!!!! . Yet. Om nom nom.. Lab Procedure. You will be doing a lab which will take you through the phases of . Meiosis, using the candy as parts of the cell!. ! . What are the phases of Meiosis?. 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.