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Cell cycle, mitosis, meiosis and stem cells

Cells and cell division · Lesson 4 of 4

Lesson 4 of 4

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Lesson 4 of 4 · Cells and cell division

Cell cycle, mitosis, meiosis and stem cells

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By the end you’ll be able to

describe the cell cycle, including interphase, DNA replication, mitosis and cytokinesis, and explain the significance of checkpoints and controlled cell division
identify and explain the stages of mitosis from chromosome condensation to telophase and cytokinesis, and relate mitosis to growth, repair and asexual reproduction

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compare mitosis and meiosis in terms of chromosome number, number of divisions, genetic similarity of daughter cells and biological function

interpret diagrams, micrographs or chromosome counts to determine ploidy, stage of division and the consequences of errors such as non-disjunction where this is within specification

define stem cells and distinguish between totipotent, pluripotent and multipotent cells where specified, then evaluate the use of embryonic, adult and plant meristem stem cells in medicine, research and agriculture, including ethical issues

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