26.4 Genome Flashcards

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1
Q

how do scientists use DNA to track evolutionary lineages

A

different genes evolve at different rates allowing them to represent long and short periods of time

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2
Q

long periods of time use what type of DNA

A

rRNA that evolves slowly

-useful in investigating diver genes 100s of years ago

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3
Q

short periods of time use what type of DNA

A

mtDNA

evolves rapidly and explores recent events

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