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Announcements

Announcements. Exam 2 is on Monday, 2/27 Multiple choice: 13-15 questions Matching: 8-10 questions Problems and short answer : 4-6 (probably ~50% of total points) Multiple choice/matching/short answer from lectures 11-18, key terms/concepts 4-6 and associated textbook chapters)

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Announcements

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  1. Announcements Exam 2 is on Monday, 2/27 Multiple choice: 13-15 questions Matching: 8-10 questions Problems and short answer: 4-6 (probably ~50% of total points) Multiple choice/matching/short answer from lectures 11-18, key terms/concepts 4-6 and associated textbook chapters) Problems similar (NOT IDENTICAL) to Homeworks 4-5 Homework keys and term lists are all on the course website (Homework 5 key will be posted tomorrow) Bring a #2 pencil! You may use a regular calculator, but no phones allowed

  2. BIO 304 Lecture 17

  3. Allopolyploidy

  4. Changes in chromosome structure

  5. Deletions

  6. Duplications

  7. Inversions

  8. Consequences of a paracentric inversion on homolog pairing

  9. Consequences of a pericentric inversion on homolog pairing

  10. An organism has a normal diploid number of 18. How many chromosomes would be present in the somatic cells of an individual that is monsomic? How many would be present in an individual that is triploid? 1. 1; 3 2. 17; 21 3. 17; 27 (this is the corrected answer!) 4. 9; 54 ✔

  11. A chromosome has the following segments, where * represents the centromere: AB*CDEFG. What type of chromosome rearrangement(s) is/are required to produce a chromosome with the arrangement AB*CFEDFEDG? 1. duplication 2. pericentric inversion 3. duplication and pericentric inversion 4. duplication and paracentric inversion 5. translocation ✔

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