DNA SEQUENCING, MUTATION AND REPAIR QUIZ

assess relatedness of eukaryotes but not prokaryotes

predict the pulsed field gel pattern of a microorganism

predict whether a bacteria will be gram-positive or gram-negative

obtain a tentative identification of a new microorganism

Yeast chromosome XI

Arabidopsis chromosome IV

Yeast chromosome III

None of these

temporary

not heritable

stable

influenced by the environment

New strands do not contain cytosine bases

Old strands are methylated while new strands are not

New strands are lower in molecular size

New strands are methylated while old strands are not

Ligation

All of these

Excision

Incision

SOS repair

Never leads to mutation

Excision repair

Photoreactivation

Both (a) and (b)

Phenotype

None of these

Genotype

Spontaneous mutations

Induced mutations

None of these

Analogous mutations

methodical sequencing a few large cloned fragments of DNA

sequencing the bacterial chromosome while it is still intact

All of these

rapidly sequencing thousands of small randomly cloned fragments

nonsense mutation

none of these

transversion

lethal mutation