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Chapter 8 Cell Reproduction Term 1. Chromosome 2. Chromatid Name Definition Guided 3rd What are the proteins called that DNA wraps around in eukaryotic cells? Draw and label fig 8-2 (2 points) 3. Centromere 4. Chromatin How many chromosomes do prokaryotes have? 1 5. Sex chromosome 3 What are the sex chromosomes for males and females? Males 6. Autosome 2 Females How many of the 46 chromosomes are autosomal? 7. Homologous chromosome Homologous chromosomes have the same what? 8. Karyotype How many homologous PAIRS of autosomes do humans have? 9. Diploid Is this 1n or 2n? 10. Haploid Is this 1n or 2n? Chapter 8 Cell Reproduction 11. Binary fission 12. Mitosis 13. Asexual reproduction Name Draw fig 8-4 What are the four stages of mitosis (pg. 156)? What is an example of an organism that reproduces asexually? 14. Meiosis How many times does meiosis go through cell division? 15. Gamete Give an example of a haploid (sex) cell 16. Interphase Is Interphase a part of mitosis? (look at figure 8.5) Yes No 17. Cytokinesis What does the prefix cyto- mean? (not in the book) 18. Prophase What break down and disappear during this stage? 19. Spindle fiber 20. Metaphase What is the array of spindle fibers called? Where are the chromosomes lined up during metaphase? Chapter 8 Cell Reproduction Name 21. Anaphase At which part of the chromosomes are they separated? 22. Telophase What is the separation called on figure 8-8 23. Cell plate What type of cells do cell plates occur in? 24. Synapsis Each pair of homologous chromosomes are called what? 25. Crossing over Draw fig 8-12 26. Genetic recombination How many cells are produced from meiosis? 27. Independent assortment What does independent assortment result in? 28. Spermatogenesis 29. Oogenesis 30. Sexual reproduction 1 2 3 4 Draw fig. 8.14 (a) Draw fig. 8.14 (b) What is the evolutionary advantage of sexual reproduction?