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Cell Continuity Ordinary Level Crossword 1 5 2 3 6 7 4 8 9 10 11 12 13 14 15 16 18 19 20 21 Across: Down: 17 1 Structures in the nucleus that contain DNA 1 When cells are not dividing chromosomes are thread like structures called ............. 3 The number of chromosomes in a haploid cell 2 A haploid cell found in a female 6 A function of mitosis in multicellular organisms 4 The genetic material found in chromosomes 8 The number of choromosomes in a diploid human cell 5 Cells that contain a full set of chromosomes (2n) are called ....... 9 A term used to describe a cell with a half set of chromosomes 7 A common benign tumor 13 The phase in which cells are not actually dividing but are producing cell organelles 9 Pairs of chromosomes that carry similar genes are called .......... pairs 16 Cell division where identical copies of the parent cell are produced is called ....... 10 A disese that occurs when cell division continues uncontrollaby 11 Cells capable of fusing are called ....... 12 Tumors that are not aggressive are said to be ...... 14 Meiosis allows for this 15 An agent that can cause cancer such as cigarette smoke and UV light is a .......... 16 THis type of cell division produces haploid cells 17 In this satge the chromosomes are pulled to each end of the cell 19 Organisms that reproduce by mitosis have ....... reproduction 18 Chromosomes begin to contract in this stage 20 A haploid cell found in a male 21 A tumor that is aggressive is also called .........