Biology-B1-Chromosomes and Mitosis 0.0 / 5 ? BiologyCells, tissues and organsGCSEAQA Created by: tonisha_Created on: 25-06-22 15:45 What are chromosomes? lengths of DNA 1 of 24 Chromosomes are found where? in the nucleus 2 of 24 The body cells contains how many of each chromosome? 2 3 of 24 Human cells contains how many pairs of chromosomes? 23 46 individual 4 of 24 What do chromosomes carry? What do they determine? carry genes which determine our features 5 of 24 What is mitosis? the cell division cycle 6 of 24 Firstly, the cell______ and sub cellular structures also ________ e.g. ________? cell grows increase mitochondria 7 of 24 What does the DNA do? replicate 8 of 24 To form what? 2 copies of each chromosome 9 of 24 The chromosomes will then _______ up at the ______ of the cell? line up at the centre of the cell 10 of 24 And each set is _________ to _______ ______ of the cell is pulled to opposite sides of the cell 11 of 24 By what? cell fibres 12 of 24 What else also divides? the nucleus 13 of 24 This is where? mitosis takes place 14 of 24 This then forms what? two identical daughter cells 15 of 24 That are also known as? diploids 16 of 24 Function of Mitosis Mitosis is essential for the what of a multicellular organism? growth and development 17 of 24 When an organism does what to itself? repairs 18 of 24 During what? asexual reproduction 19 of 24 What two reason is why mitosis occurs? growth repair and to replace damaged cells 20 of 24 What is a diploid? contains two complete sets of chromosomes 21 of 24 What is a haploid? contains a single set of chromosomes 22 of 24 Where are haploids produced? meiosis 23 of 24 How many are produced? 4 24 of 24
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