What Scenario Would Be Most Likely to Result in a Bottleneck

question 7

Multiple Choice

What scenario would be most likely to result in a bottleneck event?

• A)A small population of geese migrates and joins a large flock of the same species.The two groups subsequently begin interbreeding.
• B)A mutation occurs in an individual poison ivy plant,doubling the number of seeds it produces.The mutation is inherited by future generations.
• C)A hurricane blows through a coastal swamp inhabited by an apple snail population.The hurricane drastically changes the hydrology of the swamp,killing 98% of the apple snails.
• D)A population of broomsedge grass is studied and determined to be in Hardy-Weinberg equilibrium.
• E)Two populations of lizards were separated for many years by a river.The river's course has been diverted and migration between the two lizard populations can now occur.

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