088-2005

MO640 - Multiple-choice question

The following table represents the unichromosomal genomes of eight deletion mutants of a certain organism.  In each row, the underlined section is deleted in the corresponding mutant.

1. a b c d e f g h i j k l
2. a b c d e f g h i j k l
3. a b c d e f g h i j k l
4. a b c d e f g h i j k l
5. a b c d e f g h i j k l
6. a b c d e f g h i j k l
7. a b c d e f g h i j k l
8. a b c d e f g h i j k l

If experiments are carried out for each pair m, n of mutants to verify whether the wild type can be obtained (1) or not (0) by crossing m and n, which binary matrix below represents the expected results ?

A.  1 2 3 4 5 6 7 8 1 0 1 1 1 1 1 1 1 2 0 0 0 1 1 1 0 0 3 0 0 1 1 1 0 0 1 4 1 0 0 0 1 1 1 0 5 1 1 1 1 0 0 0 1 6 0 0 0 0 0 0 0 0 7 1 1 1 1 0 0 0 1 8 0 1 0 1 0 1 0 1

B.  1 2 3 4 5 6 7 8 1 0 0 1 1 1 1 1 1 2 0 0 1 0 1 0 0 1 3 1 1 0 1 0 1 0 1 4 1 0 1 0 1 0 0 1 5 1 1 0 1 0 0 0 1 6 1 0 1 0 0 0 0 1 7 1 0 0 0 0 0 0 1 8 1 1 1 1 1 1 1 0

C.  1 2 3 4 5 6 7 8 1 0 0 1 1 1 1 1 1 2 0 0 1 0 1 0 0 1 3 1 1 0 1 0 1 0 1 4 1 0 1 1 1 0 0 1 5 1 1 0 1 0 0 0 1 6 1 0 1 0 0 0 0 1 7 1 0 0 0 0 0 0 1 8 1 1 1 1 1 1 1 1

D.  1 2 3 4 5 6 7 8 1 0 0 0 0 0 0 0 0 2 0 0 1 0 1 0 0 1 3 1 1 0 1 0 1 0 1 4 1 0 1 0 1 0 0 1 5 1 1 0 1 0 0 0 1 6 1 0 1 0 0 0 0 1 7 1 0 0 0 0 0 0 1 8 1 1 1 1 1 1 1 0

E. NDA

Original idea by: Renata Martinelli Azzolini
Translation help by: Jessica Akemi Matsuoka