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Biology 7 Online
OpenStudy (anonymous):

Scientists discovered a fossilized wingspanroach trapped in amber, which was supposed to be about 50 million years old. DNA fingerprinting and comparison with today’s living wingspanroaches revealed that modern wingspanroaches have certain additional genes which allow them to survive in today’s colder climate. Which of these could be the correct explanation for this discovery? Change in gene frequency of ancient wingspanroaches led to the evolution of modern wingspanroaches. Somatic modification in ancient wingspanroaches led to the evolution of modern wingspanroaches. Modification of all the genes of ancient wingspanroaches led to the evolution of modern wingspanroaches

OpenStudy (anonymous):

A

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