Describe the 5 steps in M phase, and what happens to chromosomes during each? And draw out what the chromosomes and cell look like during each.
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2b. Describe the 5 steps in M phase, and what happens to chromosomes during each? And draw out what the chromosomes and cell look like during each.
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- 1a. What are chromosomes made of, and are the components present in a single copy or multiple copies per chromosome? 1b. What do chromosomes look like during interphase, and what do they look like during M (mitosis) phase?2a. Desribe the four phases of the cell cycle, and which ones define interphase? In which phase(s) is DNA replicated? 2b. Describe the 5 steps in M phase, and what happens to chromosomes during each? And draw out what the chromosomes and cell look like during each.Compare the chromosome content of daughter cells following mitosis with that of the parent cell before its chromosomes were duplicated.
- 3) Draw a diagram of the cell cycle (G1, S..) and indicate places where errors in cell division might lead to cancer.3. Draw the needed cells and identify the number of chromosomes Scenarios A parent somatic cell with 10 chromosomes A daughter gamete cell with 10 chromosomes A daughter haploid cell with 6 chromosomes A daughter diploid cell with 6 chromosomes A parent cell in the insect's wing with 80 chromosomes Cell division produced a sperm cell with 50 chromosomes Find the number of Chromosomes in daughter or parent cell: Daughter cell: Parent cell: Parent cell: Parent cell: Daughter cell: Parent cell:B. If a gamete of an unknown animal species has 44 chromosomes, how many of each of the following structures will be present? 5. chromatids at anaphase I 6. chromatids at telophase II 7. centromeres after telophase I 8. centromeres after prophase II 9. chromosomes after anaphase II 10. chromosomes at metaphase I
- Q. A eukaryotic cell is diploid and contains 10 chromosomes (5 in each set). In mitosis and meiosis, how many daughter cells will be produced, and how many chromosomes will each one contain?g A A Stage Bearch 1. * REQUIRED Sheets of skin are grown in a culture in order to replace the skin of victims with severe burns or frostbite. Undamaged skin cells are obtained from the victim, put in a Petri dish with the proper growth materials, and incubated, as represented in the diagram below. Skin tissue The new skin cells form as a result of: mitotic cell division added to growth material meiotic cell division interphase Skin cells isolated and gamete formation O O Petri dish MU Incubated O O O O Petri dish 1 @
- 3) Use your diagrams or photos to describe the behaviour of chromosomes in mitosis and meiosis (M2). Explain clearly why you have chosen each cell to represent each of the different stages.. Describe how chromosomes can vary in size, centromere location,and number.5. Assume that a cell is 2n=4 (diploid has two chromosomes, the same size). DRAW the following stages below. Use / for unreplicated chromosome and X for replicated chromosome. Use a metaphase plate that is vertical. For simplicity, do not indicate the nuclear membrane, spindles or that the chromosomes are decondensed (unwound) in interphase. Draw the chromosomes even if you would actually only see chromatin during interphase G1 Metaphase of MEIOSIS II one gamete G2 Metaphase of MEIOSIS I Metaphase of MITOSIS a. b. C. O O O O O O a. b. C. d. f. For reference Metaphase of MITOSIS is shown in circle f. Explain how what you drew for (c) differs from (f) 6. Carefully analyze the following images. D d. e. f. A B C D n= a. Describe each as (1 or 2 "sets" of information is held on how many chromosomes). Also indicate how much DNA is in each compared to a respective gamete which has 1x amount of DNA) A B с _1n_ 2 _1x_ Ploidy (2n or 1n?) # of chromosomes amount of DNA b. Indicate which diagram…