A plant has three linked genes, ABC, however the gene order is unknown. The following cross is performed. Abc/Abc X aBC/aBC. The F1 individuals are crossed to a tester plant. You count 100 progeny and you notice that you only find one ABC/abc plant and no abc/abc plants. You find six other classes of genotypes, all of which have at least 10 plants in each class. What is the order of the genes?

options:

ACB

CAB

BCA

ABC

Answer rating: 100% (QA)

The cross between Abc Abc aBC aBC is as follows The F1 genotype would be Abc aBC and it is cr... View the full answer