The polymerase chain reaction (PCR) has advanced our understanding of systematics because it allows for ____

a. analysis of morphological traits
b. analysis of small amounts of DNA from museum specimens and fossils
c. the reconstruction of entire individuals from a small amount of DNA
d. the reconstruction of entire individuals from a small amount of RNA
e. the analysis of an entire genome from a small fossil fragment


ANSWER: b

Biology & Microbiology

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