Question 1

What are microsatellites?

Accepted Answer

Tiny sections of DNA code that repeat over and over again

Answer

Large sections of DNA

Answer

Mitochondrial DNA sequences

Answer

Single-stranded RNA molecules

Question 2

How do microsatellites contribute to studying evolution?

Accepted Answer

By allowing scientists to tell individuals or groups apart based on DNA markers

Answer

By studying weather patterns

Answer

By counting tree rings

Answer

By analyzing fossil records

Question 3

What did studying microsatellites in Arctic fox populations reveal?

Accepted Answer

Two distinct genetic groups split from each other long ago

Answer

Arctic foxes do not migrate

Answer

All Arctic foxes have identical DNA

Answer

Arctic foxes are not affected by microsatellite mutations

Question 4

How long ago did the split in Arctic fox populations occur based on microsatellite analysis?

Accepted Answer

Over 450,000 years ago

Answer

Less than 100 years ago

Answer

Around 10,000 years ago

Answer

Exactly 1 million years ago

Question 5

What likely caused the split in Arctic fox populations according to microsatellite data?

Accepted Answer

Following different caribou migration routes in opposite directions

Answer

Climate change

Answer

Volcanic eruption

Answer

Hunting by humans

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