Chapter 15

_________cut(s) DNA molecules at specific sites. a. DNA polymerase b. DNA probes c. Restriction enzymes d. Reverse transcriptase

A ________ is a small circle of bacterial DNA that contains a few genes and is separate from the chromosome. a. plasmid b. chromosome c. nucleus d. double helix

By reverse transcription, __________ is assembled on a(n) ______________ template. a. mRNA; DNA b. cDNA i mRNA c. DNA; ribosome d. protein; mRNA

A set of cells that host various DNA fragments collectively representing an organism's entire set of genetic information is a___________. a. genome b. clone c. genomic library d. GMO

Fragments of DNA can be separated by electrophoresis according to ______________. a. sequence b. length c. species d. composition

\(\mathrm{PCR}\) can be used _________. a. to increase the number of specific DNA fragments b. in DNA fingerprinting c. to modify a human genome d. a and b are correct

An individual's set of unique ___________ can be used as a DNA profile. a. DNA sequences b. short tandem repeats c. SNPs d. all of the above

Which of the following can be used to carry foreign DNA into host cells? Choose all correct answers. a. RNA b. viruses c. \(\mathrm{PCR}\) d. plasmids e. lipid clusters f. blasts of pellets g. xenotransplantation h. sequencing

A transgenic organism ___________. a. carries a gene from another species b. has been genetically modified c. both a and b

______________can be used to correct a genetic defect. a. Cloning vectors b. Gene therapy c. Cloning d. Xenotransplantation e. a and b f. all of the above

Match the recombinant DNA method with the appropriate enzyme. __________PCR __________cutting DNA __________cDNA synthesis __________DNA sequencing __________pasting DNA a. Taq polymerase b. DNA ligase c. reverse transcriptase d. restriction enzyme e. DNA polymerase

Match the terms with the most suitable description. ________DNA fingerprint ________Ti plasmid ________nucleic acid hybridization ________eugenics ________SNP ________transgenic ________GMO a. having a foreign gene b. alleles have them c. a person's unique collection of short tandem repeats d. base pairing of DNA or DNA and RNA from different sources e. selecting "desirable" traits f. genetically modified g. used in some gene transfers