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Two haploid strains of S. cerevisae (yeast) are crossed. One has the genotype ABC and the other abc. Five sets of the resultant tetrads are noted below. In which set did a gene conversion event occur? Look for a 1:3 or 3:1 ratio             A)   abc,   aBc,   AbC,   aBC   a/A is 3 recessive 1dominant, B/b is 2:2, same for C             B)   abc,   abc,   ABC,   ABC 2:2 for all             C)   aBc,   aBc,   AbC,   AbC 2:2 for all             D)   abC,   abc,   ABc,   ABC this one has equal  ratio of dominant/recessive 2 dominant C’s, 2 Recessive c, same form A and a and B and b.             E)   Abc,   Abc,   aBC,   aBC

Two haploid strains of S. cerevisae (yeast) are crossed. One has the genotype ABC and the other abc. Five sets of the resultant tetrads are noted below. In which set did a gene conversion event occur? Look for a 1:3 or 3:1 ratio             A)   abc,   aBc,   AbC,   aBC   a/A is 3 recessive 1dominant, B/b is 2:2, same for C             B)   abc,   abc,   ABC,   ABC 2:2 for all             C)   aBc,   aBc,   AbC,   AbC 2:2 for all             D)   abC,   abc,   ABc,   ABC this one has equal  ratio of dominant/recessive 2 dominant C’s, 2 Recessive c, same form A and a and B and b.             E)   Abc,   Abc,   aBC,   aBC

Biology (MindTap Course List)
Biology (MindTap Course List)
11th Edition
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Chapter11: The Basic Principles Of Heredity
Section: Chapter Questions
Problem 11TYU: Individuals of genotype AaBb were mated to individuals of genotype aabb. One thousand offspring were...
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Two haploid strains of S. cerevisae (yeast) are crossed. One has the genotype ABC and the other abc. Five sets of the resultant tetrads are noted below. In which set did a gene conversion event occur? Look for a 1:3 or 3:1 ratio

            A)   abc,   aBc,   AbC,   aBC   a/A is 3 recessive 1dominant, B/b is 2:2, same for C
            B)   abc,   abc,   ABC,   ABC 2:2 for all
            C)   aBc,   aBc,   AbC,   AbC 2:2 for all
            D)   abC,   abc,   ABc,   ABC this one has equal  ratio of dominant/recessive 2 dominant C’s, 2 Recessive c, same form A and a and B and b.
            E)   Abc,   Abc,   aBC,   aBC

 

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