Answers to Genetics Review (sorry for the delay!)

1.  a)  PPLlx PPLl, PPLl x ppLl, PPLl x PpLl and other options
b)  ppLl x ppLl
c)  PPLL x ppll, PPLL x PPLL, PPLL x PpLl and many other options
d)  PpLl x Ppll
f)  PpLl x PpLl

2.  a)  1/256   b)  1/16   c)  1/64    d)  1/128
3.  1/9
4.  3 purple, 5 white
5.  9 A+, 3 A-, 3 O+, 1 O-
6.  a)  because the genes were linked on the same chromosome and did not sort independently
b)  0.6 %