Answers for test 4 from the library:

1. b                                               28.    T
2. e                                               29.    T
3. c                                               30.    F
4. e                                               31.    T
5. b                                               32.    e
6. a                                               33.    c
7. b                                               34.    c
8. e                                               35.    c
9. b                                               36.    b
10. b                                               37.    a
11. c                                               38.    a
12. e                                               39.    b
13. e                                               40.    b
14. b                                               41.    d
15. a                                               42.    a
16. d                                               43.    b
17. d                                               44.    d
18. b                                               45.    b
19. c                                               46.    b
20. a
21. e                                               47.    Barr
22. F                                               48.    secondary
23. T                                               49.    plasmid
24. T                                               50.    gene (allele)
25. F
26. T
27. T