According to the textbook, which of the following test methods can be used to isolate particular segments of DNA in human chromosomes?
A) a urine test
B) a cotton swab rubbed inside the mouth
C) a blood test for a particular blood type
D) an x-ray test

Question

Quizplus · Accepted Answer

A cotton swab rubbed inside the mouth can be used to obtain a sample of human DNA, which can then be isolated and analyzed. Urine tests and x-ray tests are not typically used to isolate DNA, and a blood test for a particular blood type only provides information about blood type and not DNA.

According to the Textbook, Which of the Following Test Methods