Question 3 In a diploid unicellular eukaryotic organism osmotic mutants prevent
ID: 40526 • Letter: Q
Question
Question 3
In a diploid unicellular eukaryotic organism osmotic mutants prevent cells from growing on media with high levels of salt. The results shown in the table were obtained by crossing the mutants indicated. A +in the table indicates wild type phenotype in the progeny, a - in the table indicates that the crossing produced a mutant organism.
Mutant strains
A11
A52
A70
A71
B135
flm-2
L0
L5
M1
S1
A11
-
A52
+
-
A70
+
+
-
A71
+
+
-
-
B135
-
+
+
+
-
flm-2
+
+
+
+
+
-
L0
-
+
+
+
-
+
-
L5
+
+
-
-
+
+
+
-
M1
+
-
+
+
+
+
+
+
-
S1
+
+
+
+
+
+
+
+
+
-
a. From the results in this table, how many complementation groups are there?
Mutant strains
A11
A52
A70
A71
B135
flm-2
L0
L5
M1
S1
A11
-
A52
+
-
A70
+
+
-
A71
+
+
-
-
B135
-
+
+
+
-
flm-2
+
+
+
+
+
-
L0
-
+
+
+
-
+
-
L5
+
+
-
-
+
+
+
-
M1
+
-
+
+
+
+
+
+
-
S1
+
+
+
+
+
+
+
+
+
-
Explanation / Answer
There are 3 complementary groups are present
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