2. You cross an abC haploid genotype with an ABc haploid genotype and obtain the

Question

2. You cross an abC haploid genotype with an ABc haploid genotype and obtain the following haploid progeny: ABC ABc AbC Abc aBC aBc abC abc 0 100 0 100 100 0 0 100. a. Are A and B loci in linkage equilibrium with each other? (1 point) b. Are A and C loci iii linkage equilibrium with each other?? (1 point) e. Are B and C loci in linkage equilibrium with each other? (1 point) d. Can you determine if these three loci are physically linked given the data (1 point)? e. Can you give another explanation. other than genetic linkage for the observed pattern (why some genotypes are not found at all) (1 point)?

Explanation / Answer

a) no

b) yes

c) yes

d) Yes given that no crossing over occurs between A and C loci, thus resulting in limited offspring genotypes

e) Aside from genetic linkage, it is possible that some of the offspring that could have been the other genotypes did not survive, thus there is no evidence of that genotype occuring.

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