Recombinant DNA Technology problems
- 1. Which of the following genetic diseases would be amenable to genetic engineering?
Options- A. Down's syndrome
- B. Muscular dystrophy
- C. Cystic fibrosis
- D. Cri du Chat Discuss
Correct Answer: Cystic fibrosis
- 2. First discovered, Type II restriction endonuclease was
Options- A. Hinf I
- B. Eco K
- C. Hind II
- D. EcoRI Discuss
Correct Answer: Hind II
- 3. Some genetic diseases cannot be diagnosed by changes in restriction sites. Some of these can be detected by allele-specific oligonucleotide probes. These are
Options- A. copies of the gene with an altered sequence so that a restriction site is inserted
- B. mutagenized copies of a gene
- C. short sequences that will hybridize only to a specific base sequence
- D. PCR-amplified variable numbers of tandem repeats (VNTRs) Discuss
Correct Answer: short sequences that will hybridize only to a specific base sequence
- 4. Which of the following can be diagnosed by amniocentesis?
Options- A. Down's syndrome
- B. Cystic Fibrosis
- C. Sickle cell anemia
- D. All of these Discuss
Correct Answer: All of these
- 5. The transfer of antibiotic-resistant genes from genetically engineered bacteria to disease-causing bacteria __________ .
Options- A. would be of no concern if it occurred.
- B. has occurred
- C. can never occur
- D. seems unlikely Discuss
Correct Answer: seems unlikely
- 6. Restriction enzymes are named for
Options- A. the person who discovered
- B. the bacterium they are derived from
- C. the viral DNA that they attack
- D. none of the above Discuss
Correct Answer: the bacterium they are derived from
- 7. Which of the following pair will produce complementary sticky ends?
Options- A. Eco RI & MspI
- B. Msp I & HPA II
- C. Sau 3A & Bam HI
- D. Mbo I & Sau 3A Discuss
Correct Answer: Sau 3A & Bam HI
- 8. Which of these genes codes for a protein that plays a role in growth?
Options- A. DCP1
- B. SCLC6A4
- C. KRTHA1
- D. GH1 Discuss
Correct Answer: GH1
- 9. Why is golden rice pale yellow in color?
Options- A. It is rich in chlorophyll a.
- B. It is rich in beta-carotene.
- C. It is rich in chlorophyll b.
- D. It is rich in phycobilins. Discuss
Correct Answer: It is rich in beta-carotene.
- 10. Which type of restriction enzymes do not usually require ATP?
Options- A. Type I
- B. Type II
- C. Type III
- D. Type IV Discuss
Correct Answer: Type II
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