19. Genomics
Genomes
Multiple Choice
Multiple ChoiceOnce an organism's genome sequence has been determined, how do scientists generally start identifying all the genes within the genome?
A
Hybridize the DNA with probes specific for known genes from other organisms.
B
Use DNA microarrays to examine the expression of huge numbers of sequences from the genome under different conditions.
C
Individually mutate all of the nucleotides within the genome, and determine which mutations cause a detectable phenotype.
D
None of the listed responses is correct.
E
Analyze the sequence using software that scans the sequence for telltale sequence elements such as promoters, transcription start and stop sites, and so on.
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