Random unidirectional change in allele frequencies that occurs by chance in all populations and especially in small populations is known as

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

$[Image]$

Type $I$ Type $II$ Type $III$

Natural selection where more individuals acquire specific character value other than the mean character value, leads to:

According to Hardy-Weinberg principle, allele and genotype frequencies in a population will remain constant from generation to generation in the absence of other evolutionary influences. It makes several assumptions which were given below.

$i.$  Random Mating

$ii.$  Sexual Reproduction

$iii.$  Non-overlapping Generations

$iv.$  Occurrence of Natural Selection

$v.$  Small size of population

Identify two assumptions which do not meet for a population to reach Hardy-Weinberg Equilibrium?

Initiating force of evolution is