Question 4
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.sneaky
b.respectful
c.RR
d.rude
e.rr
f.Rr
g.sweet
Column A is asking for the genotype of each cross, while Column B is asking for the phenotype.
1. #1: Rr
2. #2: Rr
3. #3: rr
4. #4: rr
5. #5: Rr
6. #6: rr
In Column B:
1. #1: sneaky
2. #2: sneaky
3. #3: respectful
4. #4: respectful
5. #5: sneaky
6. #6: respectful
Phenotype (dominant : recessive) ratio: 3 (sneaky): 3 (respectful)