Transcribed Image Text: 8. You are studying the biochemical pathway of purrine production. (Purrines are a type of nucleotide used in feline DNA, a little different than the purines in

Transcribed Image Text: 8.
You are studying the biochemical pathway of purrine production. (Purrines are a type of nucleotide
used in feline DNA, a little different than the purines in the DNA of lower species like humans.) You have several
mutants that cannot make purrine, and you do complementation tests to see how many different genes you’ve
identified. Here are your data:
mutant
1
4
6
8
1
3
4
5
+
6
+
+
+
8.
+
+
9
+
a)
is the deal with mutant #1 and why must you ignore it when figuring out complementation
groups?
b)
For the rest of the problem, ignore mutant #1. List your complementation groups. nt: every single
one of your mutants (except #1 of course) must be in a group.
c)
How many genes did you, therefore, identify?

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