How Can Stem Cells Replace Faulty Cells In The Body

Question: An organism that receives recombinant DNA

A. has a genetic disease.

B. is a transgenic organism.

C. will develop cancer.

D. is sterile.

Answer: B. is a transgenic organism.

Question: In creating a transgenic organism, the ____ from one species is inserted into another species. A. RNA

B. DNA

C. protein

D. DNA or protein

E. plasmid

Answer: B. DNA

Question: True / False Questions

3. A transgenic organism is an organism that receives all of its genes from only a single parent.

Answer: FALSE

Question: True / False Questions

Gene therapy might someday be used to treat many genetic disorders by removing faulty genes from somatic cells and replacing them with functional gene copies.

Answer: TRUE

Question: In cloning the sheep Dolly, a nucleus was implanted into an egg that had its nucleus removed. The result of this somatic cell nuclear transfer was a(n) ____ egg. A. haploid

B. recombinant

C. unfertilized

D. diploid

E. tetraploid

Answer: D. diploid

Question: The Taq _______ enzyme is used in polymerase chain reaction (PCR) because it remains stable at high temperatures.

A. DNA polymerase

B. RNA polymerase

C. ribosomal RNA (rRNA)

D. primase

E. cytoskeleton

Answer: A. DNA polymerase

Question:

Answer: A. selection of desired traits in breeding

Question: Genetically modified bacteria are responsible for producing

1. All answers are correct.

2. B. human insulin to treat diabetes.

3. C. blood clotting factors to treat hemophilia.

4. D. fertility hormones for humans. E. amino acid phenylalanine used in the artificial sweetener aspartame.

5. Answer: A. All answers are correct.

6. Question: The results of DNA sequencing are used A. to predict protein sequences. B. to compare DNA sequences between humans. C. to compare DNA sequences between different species. D. to compare DNA sequences between related extinct and extant organisms. E. All answers are correct.

7. Answer: A. All answers are correct.

8. Question:

9. Answer: C. rapidly replicates DNA sequences without the use of living organisms