Evolution is not continuous. It is a jerky and a discontinuous process. This is the punch line of

For evolutionary success,mutations must occur in (or) significant mutations must occur in .....

The frequency of an allele in an isolated population may change due to

Name the type of natural selection depicted in the given diagram (Type $I$,Type $II$ and Type $III$).

The replica plating experiment was performed to prove which of the following concepts?

$A$: Due to the bottleneck effect,among the survivors,certain alleles may be overrepresented,some may be underrepresented,and some alleles may be totally eliminated.
$R$: The path of extinction of a species cannot be reversed due to the bottleneck effect.