11. For a (fictitious) haploid fungus, the starting point in the biosynthesis of the amino acid arginine is Compound X, which is always present in and absorbed from the environment. The arginine biosynthetic pathway is: Enzyme A Enzyme B Enzyme Ç Compound X Compound Y CompoundZ Arginine A mutant strain of genotype a (lacking enzyme A) is crossed to a mutant strain of genotype c (lacking enzyme C). What proportion of the progeny is expected to grow on medium supplemented with Compound Y?
11. For a (fictitious) haploid fungus, the starting point in the biosynthesis of the amino acid arginine is Compound X, which is always present in and absorbed from the environment. The arginine biosynthetic pathway is: Enzyme A Enzyme B Enzyme Ç Compound X Compound Y CompoundZ Arginine A mutant strain of genotype a (lacking enzyme A) is crossed to a mutant strain of genotype c (lacking enzyme C). What proportion of the progeny is expected to grow on medium supplemented with Compound Y?
Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter11: Meiosis And Sexual Reproduction
Section: Chapter Questions
Problem 1VCQ: Figure 11.9 If a mutation occurs so that a fungus is no longer able to produce a minus mating type,...
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100%
a. 0%
b. 25%
c. 50%
d. 75%
e. 100%
which one is the correct answer?
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