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Question 1 of 10
Which of the following scenarios is an example of genetic drift?
Question 2 of 10
What does the following scenario represent?
Question 3 of 10
Match the following descriptions to their correct definition.
A change in a species of organisms over time.
When a series of chance events like disease, hurricanes, tornadoes, fires, earthquakes and other disastrous events cause an allele to become more or less common in a population of organisms.
Organisms that have beneficial traits in an environment will survive, reproduce, and therefore pass their genes to the next generation.
A change in allele frequency or how often an allele occurs after a large reduction in the size of a population.
When a few individuals move away from the original population and live in a new area where there are no other organisms.
Question 4 of 10
The following diagram is an example of
Question 5 of 10
What is the difference between the bottleneck effect and the founder effect?
Question 6 of 10
How does genetic drift lead to evolutionary change in a population of species over time?
Question 7 of 10
How does the example above represent the bottleneck effect?
Question 8 of 10
What possible issues arise after the bottleneck and founder effect?
Question 9 of 10
How does the following scenario represent the founder effect?
Question 10 of 10
Put the steps of bottleneck effect in order.
There are more of certain types of alleles and less of other types of alleles in the resulting surviving population
A disastrous event causes a major reduction in the population
There are fewer or no individuals showing the alleles traits in the next generation as compared to the original parent generation
Parent population has a normal level of alleles (variation of a gene)
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