Okay, So first things first, I'm going to use 0 for circle/female and # for square/male.
R= recessive
D= dominant
I'm going to start at the top of the pedigree and work my way down.
Answer 3!
0= DR #=DR
0=RR 0=DD #=DR #=RR #=DR
#=RR 0=RR 0=DD or DR
Answer 4!
0=DR #=DR 0=RR #=DR
0=DD or DR #=RR 0=DR 0=DR or DD
#=RR #=RR 0=DD or DR
Answer 5!
#=RR 0=DR
0=RR #=DR 0=RR #=DD or DR 0=RR
0=RR 0=DD or DR #=DD or DR #=DD or DR
