Question

multiple-choice question
in the bottle neck effect...
lucky survivors will always have the same allele frequency as the original population.
lucky survivors will likely have an altered allele frequency as the original population because they were more fit to survive.
lucky survivors will likely have an altered allele frequency as the original population regardless of their overall fitness.

Explanation:

The bottleneck effect is a genetic drift event where a population is drastically reduced. Survivors' allele frequencies are due to chance (luck) rather than fitness, so they likely have altered allele frequencies regardless of fitness. The first option is wrong (not always same), the second is wrong (not about fitness for survival here).

Answer:

lucky survivors will likely have an altered allele frequency as the original population regardless of their overall fitness.