Genetics Illustrations Scavenger Hunt 1. Draw a chromosome labeling the sister chromatids, centromere, chromosome. 2. How do mitosis and meiosis differ? 3. Where (type of cell) does mitosis and meiosis take place? 4. What does haploid (n) mean in regards to chromosome number? 5. When does crossing-over occur? 6. What is a tetrad? 7. What are homologous chromosomes? 8. What is a chromatid? 9. What is öogenesis? 10. List Mendel’s laws and be able to state what each means. 11. What is spermatogenesis? 12. What are the different types of blood? 13. What is an allele? 14. What is gene-linkage? 15. Explain what is meant by the term crossing over in regards to genetics. 16. What is a tetrad 17. How many chromosomes are in a homologous chromosome set? 18. What plant did Gregor Mendel use when figuring out genetic patterns? 19. In an organism which has heterozygous alleles for a trait which allele will be visible? 20. For a dihybrid cross of two heterozygous parents what would the chance of getting a totally recessive offspring? 21. How many chromosomes will a gamete have? 22. What is ploidy? 23. Which blood type can receive blood from anyone? 24. Which blood type is the universal donor? 25. What does ƒ stand for in a Punnett Square? 26. What is a Purebred? 27. What is a pedigree? 28. What is incomplete dominance? In what process is there an uneven division of cytoplasm during gamete formation of most animals (mammals, birds, reptiles)? Name the process and any additional conditions required. 29. Draw a dihybrid heterozygous cross. Use the letters B for brown (blonde) and H for curly (straight). a. What are the phenotypes? b. What are the genotypes? 30. What is the phenotypic ratio for a dihybrid heterozygous cross? 31. What is the genotypic ratio for a dihybrid heterozygous cross? 32. What is the genotypic ratio for a monohybrid heterozygous cross? 33. What is the phenotypic ratio for a monohybrid heterozygous cross? 34. What is the relationship between autosomal and sex chromosomes? 35. What are somatic cells? 36. How many sex chromosomes do most organisms have? 37. Why is it important to have an exchange of DNA from two parents who’s chromosomes independently assort? 38.