Practice Questions

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#Question id: 15148

You have isolated a set of five yeast mutants that form dark red colonies instead of the usual white colonies of wild-type yeast. You cross each of the mutants to a wild-type haploid strain and obtain the results shown below;
y
you cross each haploid mutant strain to a different haploid mutant of the opposite mating type. What type of mutation shown in the above figure;

#SCPH12 I Genetics

Mutant a, d, e and i are showing non-allelic mutants while others remaining mutants are showing allelic mutants.
Only mutant 1 and 2 and 2 and 3 are showing the non-allelic mutant while all other showing the allelic mutants
Mutant a, d, e and i are showing allelic mutants while others remaining mutants are showing non-allelic mutants.
All the given mutants showing non-allelic except a,d e and i.