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.Rr
c.rr
d.rude
e.sneaky
f.sweet
g.respectful
Column A
1. #1: b.RR
2. #2: c.rr
3. #3: b.Rr
4. #4: c.rr
5. #5: b.Rr
6. #6: c.rr
Column B
a. RR: 0
b. Rr: 3 (rude)
c. rr: 3 (respectful)
d. rude: 0
e. sneaky: 0
f. sweet: 0
g. respectful: 0
Phenotype ratio: 3 (rude) : 3 (respectful)