Under which of these conditions would scientists use the polymerase chain reaction (PCR) before they analyze a DNA sample?

sadness is not good

explanation:

currents is the correct answer.

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.