Question

What is the bottlencek effect?.

Answer 1

The bottleneck effect is the unforeseen reduction in the size of the population due to a coincidental event. I am hoping that this answer has satisfied your query about and it will be able to help you, thank you and have a nice day.

Answer 2

{If this is a biology question} 

The bottleneck effect can be explained by the cheetah population. Cheetah's used to be unique and many before they were hunted. Their population dropped so low, breeding produced almost exact 'clones'. The bottleneck effect is when genetic diversity is lost.