Comparing Mitosis and Meiosis Observe: 1. Organisms have a number of chromosomes in each of their body or somatic cells that is unique for that organism. This is called their diploid or 2n number. 2. Cells go through a cell cycle‚ whereby‚ much of the cycle does not include division‚ but at the end of this interphase in their cycle‚ they go through mitosis. 3. Cells replicate their DNA in the S phase of the cell cycle. 4. In the process of mitosis‚ cells replicate their DNA in the nucleus‚ form
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maintaining the similar amount of genetic material in all the body cells. 5. List one way mitosis and meiosis are similar. One way mitosis and meiosis are similar are that they are both types of cell division‚ and both produce new cells. They can do this process by going through the same exact stages which are known as prophase‚ metaphase‚ anaphase‚ and telophase‚ except mitosis goes through the phases once and meiosis does so twice.
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Meiosis is the separation of a diploid cell in which results in the production of four haploid daughter cells containing half the number of chromosomes that were found in the parent cells. For example‚ the starting number of chromosomes is 46‚ which are paired into groups of two making 23 pairs of chromosomes. The process of meiosis is broken down into two courses: meiosis I and meiosis II. Before the stage of meiosis‚ a cell must undergo a phase described as interphase. Interphase consists of three
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Julie Lake November 8‚ 2012 BIO 111‚ C11- Online Villalpando‚ Shawn Lab 8 Title: Mitosis and Meiosis Exercise 1: Mitosis in Animal and Plant Cells Questions: A.) What is the purpose of mitosis? The purpose of mitosis is to create or produce more cells for a living organism. Mitosis occurs when genetic substance in the nucleus divides or separates in order to create more cells. Cytokinesis normally occurs next and the single cell develops into two separate cells. This same process continues
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through mitosis resulting in diploid‚ identical cells and meiosis provides for genetic variability along with haploid daughter cells‚ gametes‚ or sex cells. Most of the cells observed on the root tip were in interphase. Table 3.1 helped analyze the number of cells that are going through each phase of the cell cycle and helped estimate the amount of time it took for each cell to complete that phase. Table 3.2 compared and contrasted mitosis and meiosis. Conclusion: There are five stages in Mitosis‚ which
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ACCESS TO HIGHER EDUCATION HUMAN BIOLOGY Explaining the role of mitosis & meiosis IN GROWTH AND REPRODUCTION Table of Content Page Number Cell division 1 Why do we need cell division? 1 Chromosomes 1 What is a chromosome? 1 The Cell Cycle 2 Process of Mitosis 3 What is Mitosis? 3 Stages of Mitosis 3 Interphase 3 Prophase 4 Prometaphase 5 Metaphase
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mitosis and meiosis. Many people often get confused with the two about their functions. They both serve as mechanisms for cell division. However‚ quite significantly‚ they are very much different in fact and occur in different situations. Mitosis and meiosis take place in different places. This is one of the first major differences between the two. Mitosis takes place within somatic cells (cells that make up the body)‚ while meiosis takes place within gamete cells (sex cells). As such‚ meiosis produces
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Biology Mitosis and Meiosis Study Guide Videos if you want/need them. https://www.youtube.com/watch?v=L0kenzoeOM https://www.youtube.com/watch?v=qCLmR9YY7o Maybe helpful sites? http://www.cellsalive.com/mitosis.htm http://www.cellsalive.com/cell_cycle.htm 1. Diagram and label a chromosome. 2. Describe the structure of a nucleosome. What is the role of the nucleosome in supercoiling AND in the regulation of transcription (You will have to check Campbell Ch
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3/4/13 The scientific article that I have chosen is Genetic Diversity and the Cheetah by Sonal Panse. The article discusses how and why cheetahs exhibit genetic diversity in the wild and in zoos. Genetic diversity refers to any variation in the nucleotides‚ genes‚ chromosomes or whole genomes of organisms. This diversity in genetics is vital to the ultimate survival of a species. Diversity ensures that the species is immune to specific genetic complications‚ infectious diseases and other serious
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Week 3 Mitosis and Meiosis Assignment William Scalia Grantham University Week 3 Mitosis and Meiosis Assignment A rare disease that is inherited is Tay-Sachs disease. What the disease does is it destroys nerve cells located in the Spinal cord and the brain. The most common type of Tay-Sachs appears in infants. The disease is present early in development but the symptoms usually don’t appear until after the age of 4. Symptoms appear as a slowing or halting of development to include
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