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:
c
#4
5.
#5:
#5
6.
#6:
#6
Column B
a.sneaky
b.rude
c.rr
d.RR
e.respectful
f.Rr
g.sweet
match each column
Column A matches with Column B as follows:
1. #1: e. respectful
2. #2: b. rude
3. #3: f. Rr
4. #4: c. rr
5. #5: b. rude
6. #6: e. respectful
Therefore, the phenotype (dominant : recessive) ratio is 2:2 or 1:1.