Three haploid fungal mutants that require compound W for growth were isolated. Each mutant contains a recessive allele in a single gene. Three compounds (A, B and C) in the biosynthetic pathway to W are known, but their order in the pathway is unknown. Each compound is tested for its ability to support the growth of each of the three mutants. Phenotypes of all of the three mutants are shown in the following table ("+" indicates growth, “_" indicates no growth). A В C W + + Mutant 1 Mutant 2 + Mutant 3 What would be the phenotype of a haploid mutant that contains both mutant alleles in mutant 2 and 3? Phenotype refers to growth or absence of growth on compounds A, B, C and VW. O Like mutant 1 Like mutant 2 Like mutant 3 O Like wild type

Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter15: From Dna To Protein
Section15.1: The Connection Between Dna, Rna, And Protein
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Three haploid fungal mutants that require compound W for growth were isolated.
Each mutant contains a recessive allele in a single gene. Three compounds (A, B and
C) in the biosynthetic pathway to W are known, but their order in the pathway is
unknown. Each compound is tested for its ability to support the growth of each of
the three mutants. Phenotypes of all of the three mutants are shown in the following
table (“+" indicates growth, "-" indicates no growth).
A
C
W
Mutant 1
Mutant 2
Mutant 3
What would be the phenotype of a haploid mutant that contains both mutant alleles
in mutant 2 and 3? Phenotype refers to growth or absence of growth on compounds
A, B, C and WN.
O Like mutant 1
O Like mutant 2
Like mutant 3
O Like wild type
Transcribed Image Text:Three haploid fungal mutants that require compound W for growth were isolated. Each mutant contains a recessive allele in a single gene. Three compounds (A, B and C) in the biosynthetic pathway to W are known, but their order in the pathway is unknown. Each compound is tested for its ability to support the growth of each of the three mutants. Phenotypes of all of the three mutants are shown in the following table (“+" indicates growth, "-" indicates no growth). A C W Mutant 1 Mutant 2 Mutant 3 What would be the phenotype of a haploid mutant that contains both mutant alleles in mutant 2 and 3? Phenotype refers to growth or absence of growth on compounds A, B, C and WN. O Like mutant 1 O Like mutant 2 Like mutant 3 O Like wild type
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