1:  b
2:  e
3:  d.
     c is wrong because the changes have no genetic basis (they are not heritable).
4:  a
     See class notes.
5:  d
     The 3rd base pair G was deleted.
6:  c
7:  a
8:  a
     Klinefelter's syndrome.  See class notes.
9:  e
     Only e is false.  d is true because some mutations are silent.
10: e
     See notes on inversions and Figures 9.19-9.21