PCR Cannot Be Successfully Performed Without

question 37

Multiple Choice

PCR cannot be successfully performed without

• A) at least 100 starting DNA molecules.
• B) at least some sequence information about the region to be amplified.
• C) a cDNA version of the region to be amplified.
• D) a section of at least 100 kb to amplify.
• E) an undamaged,nondegraded DNA sample.

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Definitions:

Epidemiologic Study

Research aimed at investigating the distribution, determinants, and control of health and disease conditions in specific populations.

Causality

The relationship between cause and effect, where one event (the cause) directly produces another event (the effect).

Cross-Sectional Study

An observational study that analyzes data from a population, or a representative subset, at a specific point in time.

Causal Relationships

The connection between two events where one is the effect of the occurrence of the other, indicating a cause-and-effect linkage.