For sneaky snakes, being rude (R) is dominant to being respectful (r). Complete the cross below, and determine the phenotype (dominant : recessive) ratio.
R r
r #1 #2
r #3 #4
2 (#5) : 2 (#6)
Column A
1.
#1:
#1
2.
#2:
#2
3.
#3:
#3
4.
#4:
#4
5.
#5:
#5
6.
#6:
#6
Column B
a.rr
b.respectful
c.RR
d.sneaky
e.Rr
f.rude
g.sweet
Column A:
1. #1: RR
2. #2: Rr
3. #3: rR
4. #4: rr
5. #5: RR
6. #6: Rr
Column B:
a. rr (recessive)
b. respectful (recessive)
c. RR (dominant)
d. sneaky (dominant)
e. Rr (dominant)
f. rude (dominant)
g. sweet (recessive)
Phenotype ratio:
Dominant : Recessive = 4:2