Why is PCR (polymerase chain reaction) commonly used in genetic testing? A. It extracts all the DNA from a cell. B. It generates a large number of copies of a specific DNA region. C. It cuts a gene at a unique restriction site. D. It separates DNA fragments based on size.
Added by Jeff L.
Step 1
Let's think step by step. Show more…
Show all steps
Your feedback will help us improve your experience
Sana Riaz and 61 other Biology educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
PCR is used to: a. Amplify a specific segment of DNA. b. Separate DNA fragments based on size. c. Determine if a particular piece of DNA contains a certain gene. d. Randomly break large pieces of DNA or plasmids into smaller fragments. e. Isolate specific pieces of DNA.
Sana R.
The polymerase chain reaction is MOST useful for which of the following? a. Preparing enzymes that synthesize nucleic acids b. Separating polyclonal antibodies c. Amplifying a specific DNA sequence d. Isolating the genome of an organism e. Synthesizing RNA and DNA
Nicholas M.
The polymerase chain reaction is a technique used to a. attach amino acids to a growing polypeptide chain. b. increase the number of copies of a small sample of DNA. c. splice DNA into a plasmid. d. regulate the transcription of genes.
Recommended Textbooks
Biology for AP Courses
Objective Biology for NEET
Introduction to General, Organic and Biochemistry
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD