238,462 views
39 votes
39 votes
What causes the Bottleneck

Effect?
A. a new species diverges from the
original population and develops new
alleles
B. when a few individuals join a
population and cause a shift in the
allele frequency
C. a large loss in the population due to
a dramatic event this is the answer
D. when a few individuals leave a
population to begin their own
4

User VFein
by
3.2k points

1 Answer

27 votes
27 votes

Answer: C

Explanation: Genetic drift can have major effects when a population is sharply reduced in size by a natural disaster.

Option D would be referring to the 'founder effect'. Option A would be referring to a 'sampling error' and option B is referring to 'fixation'.

you typed "this is the answer" so im assuming you already knew this lol

User Mattyb
by
3.4k points