Recombinant DNA Technology
Restriction enzymes are named for

the bacterium they are derived from
the viral DNA that they attack
None of these
the person who discovered

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Recombinant DNA Technology
Some genetic diseases cannot be diagnosed by changes in restriction sites. Some of these can be detected by allele-specific oligonucleotide probes. These are

PCR-amplified variable numbers of tandem repeats (VNTRs)
short sequences that will hybridize only to a specific base sequence
mutagenized copies of a gene
copies of the gene with an altered sequence so that a restriction site is inserted

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